Python Python Notes for Professionals ® Notes for Professionals 700+ pages of professional hints and tricks GoalKicker.com Free Programming Books Disclaimer This is an unocial free book created for educational purposes and is not aliated with ocial Python® group(s) or company(s) All trademarks and registered trademarks are the property of their respective owners Contents About Chapter 1: Getting started with Python Language Section 1.1: Getting Started Section 1.2: Creating variables and assigning values Section 1.3: Block Indentation 10 Section 1.4: Datatypes 11 Section 1.5: Collection Types 15 Section 1.6: IDLE - Python GUI 19 Section 1.7: User Input 21 Section 1.8: Built in Modules and Functions 21 Section 1.9: Creating a module 25 Section 1.10: Installation of Python 2.7.x and 3.x 26 Section 1.11: String function - str() and repr() 28 Section 1.12: Installing external modules using pip 29 Section 1.13: Help Utility 31 Chapter 2: Python Data Types 33 Section 2.1: String Data Type 33 Section 2.2: Set Data Types 33 Section 2.3: Numbers data type 33 Section 2.4: List Data Type 34 Section 2.5: Dictionary Data Type 34 Section 2.6: Tuple Data Type 34 Chapter 3: Indentation 35 Section 3.1: Simple example 35 Section 3.2: How Indentation is Parsed 35 Section 3.3: Indentation Errors 36 Chapter 4: Comments and Documentation 37 Section 4.1: Single line, inline and multiline comments 37 Section 4.2: Programmatically accessing docstrings 37 Section 4.3: Write documentation using docstrings 38 Chapter 5: Date and Time 41 Section 5.1: Parsing a string into a timezone aware datetime object 41 Section 5.2: Constructing timezone-aware datetimes 41 Section 5.3: Computing time dierences 43 Section 5.4: Basic datetime objects usage 43 Section 5.5: Switching between time zones 44 Section 5.6: Simple date arithmetic 44 Section 5.7: Converting timestamp to datetime 45 Section 5.8: Subtracting months from a date accurately 45 Section 5.9: Parsing an arbitrary ISO 8601 timestamp with minimal libraries 45 Section 5.10: Get an ISO 8601 timestamp 46 Section 5.11: Parsing a string with a short time zone name into a timezone aware datetime object 46 Section 5.12: Fuzzy datetime parsing (extracting datetime out of a text) 47 Section 5.13: Iterate over dates 48 Chapter 6: Date Formatting 49 Section 6.1: Time between two date-times 49 Section 6.2: Outputting datetime object to string 49 Section 6.3: Parsing string to datetime object 49 Chapter 7: Enum 50 Section 7.1: Creating an enum (Python 2.4 through 3.3) 50 Section 7.2: Iteration 50 Chapter 8: Set 51 Section 8.1: Operations on sets 51 Section 8.2: Get the unique elements of a list 52 Section 8.3: Set of Sets 52 Section 8.4: Set Operations using Methods and Builtins 52 Section 8.5: Sets versus multisets 54 Chapter 9: Simple Mathematical Operators 56 Section 9.1: Division 56 Section 9.2: Addition 57 Section 9.3: Exponentiation 58 Section 9.4: Trigonometric Functions 59 Section 9.5: Inplace Operations 60 Section 9.6: Subtraction 60 Section 9.7: Multiplication 60 Section 9.8: Logarithms 61 Section 9.9: Modulus 61 Chapter 10: Bitwise Operators 63 Section 10.1: Bitwise NOT 63 Section 10.2: Bitwise XOR (Exclusive OR) 64 Section 10.3: Bitwise AND 65 Section 10.4: Bitwise OR 65 Section 10.5: Bitwise Left Shift 65 Section 10.6: Bitwise Right Shift 66 Section 10.7: Inplace Operations 66 Chapter 11: Boolean Operators 67 Section 11.1: `and` and `or` are not guaranteed to return a boolean 67 Section 11.2: A simple example 67 Section 11.3: Short-circuit evaluation 67 Section 11.4: and 68 Section 11.5: or 68 Section 11.6: not 69 Chapter 12: Operator Precedence 70 Section 12.1: Simple Operator Precedence Examples in python 70 Chapter 13: Variable Scope and Binding 71 Section 13.1: Nonlocal Variables 71 Section 13.2: Global Variables 71 Section 13.3: Local Variables 72 Section 13.4: The del command 73 Section 13.5: Functions skip class scope when looking up names 74 Section 13.6: Local vs Global Scope 75 Section 13.7: Binding Occurrence 77 Chapter 14: Conditionals 78 Section 14.1: Conditional Expression (or "The Ternary Operator") 78 Section 14.2: if, elif, and else 78 Section 14.3: Truth Values 78 Section 14.4: Boolean Logic Expressions 79 Section 14.5: Using the cmp function to get the comparison result of two objects 81 Section 14.6: Else statement 81 Section 14.7: Testing if an object is None and assigning it 82 Section 14.8: If statement 82 Chapter 15: Comparisons 83 Section 15.1: Chain Comparisons 83 Section 15.2: Comparison by `is` vs `==` 84 Section 15.3: Greater than or less than 85 Section 15.4: Not equal to 85 Section 15.5: Equal To 86 Section 15.6: Comparing Objects 86 Chapter 16: Loops 88 Section 16.1: Break and Continue in Loops 88 Section 16.2: For loops 90 Section 16.3: Iterating over lists 90 Section 16.4: Loops with an "else" clause 91 Section 16.5: The Pass Statement 93 Section 16.6: Iterating over dictionaries 94 Section 16.7: The "half loop" do-while 95 Section 16.8: Looping and Unpacking 95 Section 16.9: Iterating dierent portion of a list with dierent step size 96 Section 16.10: While Loop 97 Chapter 17: Arrays 99 Section 17.1: Access individual elements through indexes 99 Section 17.2: Basic Introduction to Arrays 99 Section 17.3: Append any value to the array using append() method 100 Section 17.4: Insert value in an array using insert() method 100 Section 17.5: Extend python array using extend() method 100 Section 17.6: Add items from list into array using fromlist() method 101 Section 17.7: Remove any array element using remove() method 101 Section 17.8: Remove last array element using pop() method 101 Section 17.9: Fetch any element through its index using index() method 101 Section 17.10: Reverse a python array using reverse() method 101 Section 17.11: Get array buer information through buer_info() method 102 Section 17.12: Check for number of occurrences of an element using count() method 102 Section 17.13: Convert array to string using tostring() method 102 Section 17.14: Convert array to a python list with same elements using tolist() method 102 Section 17.15: Append a string to char array using fromstring() method 102 Chapter 18: Multidimensional arrays 103 Section 18.1: Lists in lists 103 Section 18.2: Lists in lists in lists in 103 Chapter 19: Dictionary 105 Section 19.1: Introduction to Dictionary 105 Section 19.2: Avoiding KeyError Exceptions 106 Section 19.3: Iterating Over a Dictionary 106 Section 19.4: Dictionary with default values 107 Section 19.5: Merging dictionaries 108 Section 19.6: Accessing keys and values 108 Section 19.7: Accessing values of a dictionary 109 Section 19.8: Creating a dictionary 109 Section 19.9: Creating an ordered dictionary 110 Section 19.10: Unpacking dictionaries using the ** operator 110 Section 19.11: The trailing comma 111 Section 19.12: The dict() constructor 111 Section 19.13: Dictionaries Example 111 Section 19.14: All combinations of dictionary values 112 Chapter 20: List 113 Section 20.1: List methods and supported operators 113 Section 20.2: Accessing list values 118 Section 20.3: Checking if list is empty 119 Section 20.4: Iterating over a list 119 Section 20.5: Checking whether an item is in a list 120 Section 20.6: Any and All 120 Section 20.7: Reversing list elements 121 Section 20.8: Concatenate and Merge lists 121 Section 20.9: Length of a list 122 Section 20.10: Remove duplicate values in list 122 Section 20.11: Comparison of lists 123 Section 20.12: Accessing values in nested list 123 Section 20.13: Initializing a List to a Fixed Number of Elements 124 Chapter 21: List comprehensions 126 Section 21.1: List Comprehensions 126 Section 21.2: Conditional List Comprehensions 128 Section 21.3: Avoid repetitive and expensive operations using conditional clause 130 Section 21.4: Dictionary Comprehensions 131 Section 21.5: List Comprehensions with Nested Loops 132 Section 21.6: Generator Expressions 134 Section 21.7: Set Comprehensions 136 Section 21.8: Refactoring filter and map to list comprehensions 136 Section 21.9: Comprehensions involving tuples 137 Section 21.10: Counting Occurrences Using Comprehension 138 Section 21.11: Changing Types in a List 138 Section 21.12: Nested List Comprehensions 138 Section 21.13: Iterate two or more list simultaneously within list comprehension 139 Chapter 22: List slicing (selecting parts of lists) 140 Section 22.1: Using the third "step" argument 140 Section 22.2: Selecting a sublist from a list 140 Section 22.3: Reversing a list with slicing 140 Section 22.4: Shifting a list using slicing 140 Chapter 23: groupby() 142 Section 23.1: Example 142 Section 23.2: Example 142 Section 23.3: Example 143 Chapter 24: Linked lists 145 Section 24.1: Single linked list example 145 Chapter 25: Linked List Node 149 Section 25.1: Write a simple Linked List Node in python 149 Chapter 26: Filter 150 Section 26.1: Basic use of filter 150 Section 26.2: Filter without function 150 Section 26.3: Filter as short-circuit check 151 Section 26.4: Complementary function: filterfalse, ifilterfalse 151 Chapter 27: Heapq 153 Section 27.1: Largest and smallest items in a collection 153 Section 27.2: Smallest item in a collection 153 Chapter 28: Tuple 155 Section 28.1: Tuple 155 Section 28.2: Tuples are immutable 156 Section 28.3: Packing and Unpacking Tuples 156 Section 28.4: Built-in Tuple Functions 157 Section 28.5: Tuple Are Element-wise Hashable and Equatable 158 Section 28.6: Indexing Tuples 159 Section 28.7: Reversing Elements 159 Chapter 29: Basic Input and Output 160 Section 29.1: Using the print function 160 Section 29.2: Input from a File 160 Section 29.3: Read from stdin 162 Section 29.4: Using input() and raw_input() 162 Section 29.5: Function to prompt user for a number 162 Section 29.6: Printing a string without a newline at the end 163 Chapter 30: Files & Folders I/O 165 Section 30.1: File modes 165 Section 30.2: Reading a file line-by-line 166 Section 30.3: Iterate files (recursively) 167 Section 30.4: Getting the full contents of a file 167 Section 30.5: Writing to a file 168 Section 30.6: Check whether a file or path exists 169 Section 30.7: Random File Access Using mmap 170 Section 30.8: Replacing text in a file 170 Section 30.9: Checking if a file is empty 170 Section 30.10: Read a file between a range of lines 171 Section 30.11: Copy a directory tree 171 Section 30.12: Copying contents of one file to a dierent file 171 Chapter 31: os.path 172 Section 31.1: Join Paths 172 Section 31.2: Path Component Manipulation 172 Section 31.3: Get the parent directory 172 Section 31.4: If the given path exists 172 Section 31.5: check if the given path is a directory, file, symbolic link, mount point etc 173 Section 31.6: Absolute Path from Relative Path 173 Chapter 32: Iterables and Iterators 174 Section 32.1: Iterator vs Iterable vs Generator 174 Section 32.2: Extract values one by one 175 Section 32.3: Iterating over entire iterable 175 Section 32.4: Verify only one element in iterable 175 Section 32.5: What can be iterable 176 Section 32.6: Iterator isn't reentrant! 176 Chapter 33: Functions 177 Section 33.1: Defining and calling simple functions 177 Section 33.2: Defining a function with an arbitrary number of arguments 178 Section 33.3: Lambda (Inline/Anonymous) Functions 181 Section 33.4: Defining a function with optional arguments 183 Section 33.5: Defining a function with optional mutable arguments 184 Section 33.6: Argument passing and mutability 185 Section 33.7: Returning values from functions 186 Section 33.8: Closure 186 Section 33.9: Forcing the use of named parameters 187 Section 33.10: Nested functions 188 Section 33.11: Recursion limit 188 Section 33.12: Recursive Lambda using assigned variable 189 Section 33.13: Recursive functions 189 Section 33.14: Defining a function with arguments 190 Section 33.15: Iterable and dictionary unpacking 190 Section 33.16: Defining a function with multiple arguments 192 Chapter 34: Defining functions with list arguments 193 Section 34.1: Function and Call 193 Chapter 35: Functional Programming in Python 194 Section 35.1: Lambda Function 194 Section 35.2: Map Function 194 Section 35.3: Reduce Function 194 Section 35.4: Filter Function 194 Chapter 36: Partial functions 195 Section 36.1: Raise the power 195 Chapter 37: Decorators 196 Section 37.1: Decorator function 196 Section 37.2: Decorator class 197 Section 37.3: Decorator with arguments (decorator factory) 198 Section 37.4: Making a decorator look like the decorated function 200 Section 37.5: Using a decorator to time a function 200 Section 37.6: Create singleton class with a decorator 201 Chapter 38: Classes 202 Section 38.1: Introduction to classes 202 Section 38.2: Bound, unbound, and static methods 203 Section 38.3: Basic inheritance 205 Section 38.4: Monkey Patching 207 Section 38.5: New-style vs old-style classes 207 Section 38.6: Class methods: alternate initializers 208 Section 38.7: Multiple Inheritance 210 Section 38.8: Properties 212 Section 38.9: Default values for instance variables 213 Section 38.10: Class and instance variables 214 Section 38.11: Class composition 215 Section 38.12: Listing All Class Members 216 Section 38.13: Singleton class 217 Section 38.14: Descriptors and Dotted Lookups 218 Chapter 39: Metaclasses 219 Section 39.1: Basic Metaclasses 219 Section 39.2: Singletons using metaclasses 220 Section 39.3: Using a metaclass 220 Section 39.4: Introduction to Metaclasses 220 Section 39.5: Custom functionality with metaclasses 221 Section 39.6: The default metaclass 222 Chapter 40: String Formatting 224 Section 40.1: Basics of String Formatting 224 Section 40.2: Alignment and padding 225 Section 40.3: Format literals (f-string) 226 Section 40.4: Float formatting 226 Section 40.5: Named placeholders 227 Section 40.6: String formatting with datetime 228 Section 40.7: Formatting Numerical Values 228 Section 40.8: Nested formatting 229 Section 40.9: Format using Getitem and Getattr 229 Section 40.10: Padding and truncating strings, combined 229 Section 40.11: Custom formatting for a class 230 Chapter 41: String Methods 232 Section 41.1: Changing the capitalization of a string 232 Section 41.2: str.translate: Translating characters in a string 233 Section 41.3: str.format and f-strings: Format values into a string 234 Section 41.4: String module's useful constants 235 Section 41.5: Stripping unwanted leading/trailing characters from a string 236 Section 41.6: Reversing a string 237 Section 41.7: Split a string based on a delimiter into a list of strings 237 Section 41.8: Replace all occurrences of one substring with another substring 238 Section 41.9: Testing what a string is composed of 239 Section 41.10: String Contains 241 Section 41.11: Join a list of strings into one string 241 Section 41.12: Counting number of times a substring appears in a string 242 Section 41.13: Case insensitive string comparisons 242 Section 41.14: Justify strings 243 Section 41.15: Test the starting and ending characters of a string 244 Section 41.16: Conversion between str or bytes data and unicode characters 245 Chapter 42: Using loops within functions 247 Section 42.1: Return statement inside loop in a function 247 Chapter 43: Importing modules 248 Section 43.1: Importing a module 248 Section 43.2: The all special variable 249 Section 43.3: Import modules from an arbitrary filesystem location 250 Section 43.4: Importing all names from a module 250 Section 43.5: Programmatic importing 251 Section 43.6: PEP8 rules for Imports 251 Section 43.7: Importing specific names from a module 252 Section 43.8: Importing submodules 252 Section 43.9: Re-importing a module 252 Section 43.10: import () function 253 Chapter 44: Dierence between Module and Package 254 Section 44.1: Modules 254 Section 44.2: Packages 254 Chapter 45: Math Module 255 Section 45.1: Rounding: round, floor, ceil, trunc 255 Section 45.2: Trigonometry 256 Section 45.3: Pow for faster exponentiation 257 Section 45.4: Infinity and NaN ("not a number") 257 Section 45.5: Logarithms 260 Section 45.6: Constants 260 Section 45.7: Imaginary Numbers 261 Section 45.8: Copying signs 261 Section 45.9: Complex numbers and the cmath module 261 Chapter 46: Complex math 264 Section 46.1: Advanced complex arithmetic 264 Section 46.2: Basic complex arithmetic 265 Chapter 47: Collections module 266 Section 47.1: collections.Counter 266 Section 47.2: collections.OrderedDict 267 Section 47.3: collections.defaultdict 268 Section 47.4: collections.namedtuple 269 Section 47.5: collections.deque 270 Section 47.6: collections.ChainMap 271 Chapter 48: Operator module 273 Section 48.1: Itemgetter 273 Section 48.2: Operators as alternative to an infix operator 273 Section 48.3: Methodcaller 273 Chapter 49: JSON Module 275 Section 49.1: Storing data in a file 275 Section 49.2: Retrieving data from a file 275 Section 49.3: Formatting JSON output 275 Section 49.4: `load` vs `loads`, `dump` vs `dumps` 276 Section 49.5: Calling `json.tool` from the command line to pretty-print JSON output 277 Section 49.6: JSON encoding custom objects 277 Section 49.7: Creating JSON from Python dict 278 Section 49.8: Creating Python dict from JSON 278 Chapter 50: Sqlite3 Module 279 Section 50.1: Sqlite3 - Not require separate server process 279 Section 50.2: Getting the values from the database and Error handling 279 Chapter 51: The os Module 281 Section 51.1: makedirs - recursive directory creation 281 Section 51.2: Create a directory 282 Section 51.3: Get current directory 282 Section 51.4: Determine the name of the operating system 282 Section 51.5: Remove a directory 282 Section 51.6: Follow a symlink (POSIX) 282 Section 51.7: Change permissions on a file 282 Chapter 52: The locale Module 283 Section 52.1: Currency Formatting US Dollars Using the locale Module 283 Chapter 53: Itertools Module 284 Section 53.1: Combinations method in Itertools Module 284 Section 53.2: itertools.dropwhile 284 Section 53.3: Zipping two iterators until they are both exhausted 285 Section 53.4: Take a slice of a generator 285 Section 53.5: Grouping items from an iterable object using a function 286 Section 53.6: itertools.takewhile 287 Section 53.7: itertools.permutations 287 Section 53.8: itertools.repeat 288 Section 53.9: Get an accumulated sum of numbers in an iterable 288 Section 53.10: Cycle through elements in an iterator 288 Section 53.11: itertools.product 288 Section 53.12: itertools.count 289 Section 53.13: Chaining multiple iterators together 290 Chapter 54: Asyncio Module 291 Section 54.1: Coroutine and Delegation Syntax 291 Section 54.2: Asynchronous Executors 292 Section 54.3: Using UVLoop 293 Section 54.4: Synchronization Primitive: Event 293 Section 54.5: A Simple Websocket 294 Section 54.6: Common Misconception about asyncio 294 Chapter 55: Random module 296 Section 55.1: Creating a random user password 296 Section 55.2: Create cryptographically secure random numbers 296 Section 55.3: Random and sequences: shue, choice and sample 297 Section 55.4: Creating random integers and floats: randint, randrange, random, and uniform 298 Section 55.5: Reproducible random numbers: Seed and State 299 Section 55.6: Random Binary Decision 300 Chapter 56: Functools Module 301 Section 56.1: partial 301 Section 56.2: cmp_to_key 301 Section 56.3: lru_cache 301 Section 56.4: total_ordering 302 Section 56.5: reduce 303 Chapter 57: The dis module 304 Section 57.1: What is Python bytecode? 304 Section 57.2: Constants in the dis module 304 Section 57.3: Disassembling modules 304 Chapter 58: The base64 Module 306 Section 58.1: Encoding and Decoding Base64 307 Section 58.2: Encoding and Decoding Base32 308 Section 58.3: Encoding and Decoding Base16 309 Section 58.4: Encoding and Decoding ASCII85 309 Section 58.5: Encoding and Decoding Base85 310 Chapter 59: Queue Module 311 Section 59.1: Simple example 311 Chapter 60: Deque Module 312 Section 60.1: Basic deque using 312 Section 60.2: Available methods in deque 312 Section 60.3: limit deque size 313 Section 60.4: Breadth First Search 313 Credits Thank you greatly to all the people from Stack Overflow Documentation who helped provide this content, more changes can be sent to web@petercv.com for new content to be published or updated Çağatay Uslu 2Cubed 4444 A Ciclet A Raza Aaron Christiansen Aaron Critchley Aaron Hall Abhishek Kumar abukaj acdr Adam Brenecki Adam Matan Adam_92 adeora Aditya Adrian Antunez Adriano afeique Aidan Ajean Akshat Mahajan aldanor Aldo Alec alecxe alejosocorro Alex Gaynor Alex L Alex Logan AlexV Alfe alfonso.kim ALinuxLover Alireza Savand Alleo Alon Alexander amblina Ami Tavory amin Amir Rachum Amitay Stern Anaphory anatoly techtonik Andrea andrew Andrew Schade Chapter 20 Chapters 39, 122 and 147 Chapter 21 Chapter 196 Chapter Chapters 40 and 109 Chapter Chapter 38 Chapter 149 Chapter 200 Chapter 21 Chapter 85 Chapters 84 and 104 Chapter 40 Chapter 197 Chapters 40, 53, 134, 195 and 200 Chapter 88 Chapter 33 Chapter Chapter 75 Chapter Chapters 33, 67, 120 and 146 Chapter 40 Chapter 103 Chapter 200 Chapters 5, 40, 87, 92 and 93 Chapters and 75 Chapter 55 Chapter 16 Chapter Chapter 33 Chapter 88 Chapter 16 Chapter Chapter 192 Chapters 21 and 149 Chapter 116 Chapters 83, 85 and 129 Chapter 192 Chapter Chapters 19 and 39 Chapters 41 and 91 Chapter 159 Chapter 160 Chapter Chapter 131 Chapter 84 GoalKicker.com – Python® Notes for Professionals 777 Andrii Abramov Andrzej Pronobis Andy Andy Hayden angussidney Ani Menon Annonymous Anthony Pham Antoine Bolvy Antoine Pinsard Antti Haapala Antwan APerson Aquib Javed Khan Ares Arkady Arpit Solanki Artem Kolontay ArtOfCode Arun Aryaman Arora ashes999 asmeurer atayenel Athari Avantol13 avb Axe B8vrede Baaing Cow Bahrom Bakuriu balki Barry Bastian bbayles Beall619 bee Benedict Bunting Bharel Bhargav Bhargav Rao bignose Billy Biswa_9937 bitchaser bixel blubberdiblub blueberryfields blueenvelope Bluethon boboquack bogdanciobanu Chapter Chapters 8, 38 and 55 Chapters 1, 5, 7, 17, 33, 51, 82 and 88 Chapters 8, 33, 67, 73, 75, 77, 98 and 149 Chapter Chapters 1, 4, 40, 149 and 154 Chapters 78, 87 and 199 Chapters 13, 15, 16, 19, 20, 30, 33, 43, 45, 55, 60, 70 and 179 Chapters and 149 Chapter 39 Chapters 5, 16, 72, 87 and 106 Chapter 149 Chapters 21, 69 and 72 Chapter Chapters 1, 15, 20 and 41 Chapter 33 Chapters 1, 82 and 125 Chapter 173 Chapters 67, 173 and 197 Chapters 65 and 108 Chapter 179 Chapter 75 Chapters 45 and 47 Chapter 124 Chapter 151 Chapter 38 Chapter 30 Chapters 21 and 149 Chapters 1, 40, 75 and 103 Chapters and 200 Chapter Chapter 149 Chapter 53 Chapter 20 Chapter 86 Chapter 128 Chapters 74 and 101 Chapters 161 and 164 Chapter 99 Chapters 30 and 149 Chapter 40 Chapters 41, 149 and 200 Chapter 149 Chapter 200 Chapters 178, 182 and 183 Chapter 149 Chapter 200 Chapter 177 Chapter 181 Chapters and 20 Chapter 149 Chapters 10, 11 and 18 Chapter 111 GoalKicker.com – Python® Notes for Professionals 778 Bonifacio2 BoppreH Bosoneando Božo Stojković bpachev Brendan Abel brennan Brett Cannon Brian C Brien Bryan P BSL Burhan Khalid BusyAnt Buzz Cache Staheli CamelBackNotation Cameron Gagnon Camsbury caped114 carrdelling Cbeb24404 ceruleus cfi Chandan Purohit ChaoticTwist Charles Charul Chinmay Hegde Chong Tang Chris Hunt Chris Larson Chris Midgley Chris Mueller Christian Ternus Christofer Ohlsson Christophe Roussy Chromium Cilyan Cimbali cizixs cjds Clíodhna Claudiu Clayton Wahlstrom cledoux CodenameLambda Cody Piersall Colin Yang Comrade SparklePony Conrad.Dean crhodes c ʟ s Chapter 64 Chapter 19 Chapter 46 Chapters 1, 14, 21, 33 and 149 Chapter 53 Chapter 84 Chapter 173 Chapters 11 and 43 Chapter Chapter 41 Chapter Chapters and 197 Chapter 19 Chapters 1, 20, 43, 60, 78 and 88 Chapter 18 Chapter 41 Chapter 33 Chapter 149 Chapters and 33 Chapter 41 Chapter 77 Chapter Chapter Chapters 21, 26 and 69 Chapters 20 and 33 Chapters 21, 33, 41 and 107 Chapters 10, 21, 30, 41, 149 and 200 Chapter 167 Chapters 50, 94, 132, 164 and 171 Chapter 21 Chapter 16 Chapter 33 Chapter Chapter 19 Chapters 1, 16, 43, 51 and 78 Chapter 45 Chapter 200 Chapter 134 Chapter 170 Chapter Chapters 19, 20 and 128 Chapters 110 and 134 Chapter Chapters 1, 31, 67, 75, 80, 83, 88, 111, 118, 153, 192 and 193 Chapter 149 Chapter 108 Chapters and 67 Chapter Chapter 149 Chapters 180 and 181 Chapters 1, 5, 21, 38 and 43 Chapter 30 Chapters 1, 149, 161 and 191 GoalKicker.com – Python® Notes for Professionals 779 Dair Daksh Gupta Dania danidee Daniel Daniil Ryzhkov Darkade Darth Kotik Darth Shadow Dartmouth Dave J David David Cullen David Heyman davidism DawnPaladin Dee deeenes deepakkt DeepSpace Delgan denvaar depperm DevD Devesh Saini DhiaTN dhimanta Dilettant Dima Tisnek djaszczurowski Doc dodell Doraemon Doug Henderson Douglas Starnes Dov dreftymac driax Duh Dunatotatos dwanderson eandersson edwinksl eenblam Elazar Eleftheria elegent Ellis Elodin Emma Enamul Hassan engineercoding Enrico Maria De Angelis Chapters 11, 120 and 173 Chapters and 38 Chapter Chapter 33 Chapter 43 Chapter 173 Chapter 173 Chapter 16 Chapters 1, 40, 75, 97, 149 and 173 Chapters 1, 62, 149 and 150 Chapters 40 and 149 Chapters 9, 33, 124 and 161 Chapters 30 and 121 Chapters 41 and 149 Chapter 13 Chapter 33 Chapter 186 Chapters 1, 20 and 67 Chapter 14 Chapters 9, 16, 77, 100, 149 and 200 Chapters 1, 16, 20 and 40 Chapter 167 Chapters 1, 3, 38, 41 and 99 Chapter Chapter 115 Chapter 16 Chapters 184 and 185 Chapter 200 Chapter 21 Chapter 167 Chapter 143 Chapter Chapter 29 Chapter 41 Chapter Chapter 30 Chapter 40 Chapters 39, 75 and 88 Chapter 149 Chapter 171 Chapter 149 Chapter 127 Chapter 173 Chapter 21 Chapters 1, 7, 8, 13, 15, 16, 20, 21, 28, 38, 41, 67, 87, 111, 144 and 149 Chapter 113 Chapter 33 Chapters 20 and 45 Chapters 33 and 195 Chapters 20 and 21 Chapter 16 Chapter 192 Chapter GoalKicker.com – Python® Notes for Professionals 780 enrico.bacis erewok Eric Eric Finn Eric Zhang Erica ericdwang ericmarkmartin Erik Godard EsmaeelE Esteis ettanany Everyone_Else evuez exhuma Fábio Perez Faiz Halde FazeL Felix D Felk Fermi paradox Fernando Ffisegydd Filip Haglund Firix flamenco Flickerlight Florian Bender FMc Francisco Guimaraes Franck Dernoncourt FrankBr frankyjuang Fred Barclay Freddy fredley freidrichen Frustrated Gal Dreiman ganesh gadila Ganesh K Gareth Latty garg10may Gavin Geeklhem Generic Snake geoffspear Gerard Roche gerrit ghostarbeiter Giannis Spiliopoulos GiantsLoveDeathMetal girish946 Chapters 21, 56 and 149 Chapter 149 Chapter 107 Chapter 16 Chapter 110 Chapter Chapter 149 Chapters 67, 98, 110 and 149 Chapter Chapter Chapters 13 and 21 Chapters 27 and 149 Chapter 149 Chapters 7, 8, 14, 20, 40, 113 and 149 Chapter 20 Chapter 31 Chapters 21, 114 and 119 Chapters 111 and 148 Chapter 16 Chapter 21 Chapter 21 Chapter 173 Chapters 14, 38, 98, 108 and 193 Chapter Chapters and 150 Chapter 56 Chapter 20 Chapter 21 Chapter 43 Chapter 94 Chapter Chapter 36 Chapter 181 Chapters and 157 Chapter Chapter 45 Chapter 21 Chapter 74 Chapters 16, 20, 21, 33, 40, 136 and 137 Chapters 20 and 41 Chapter 148 Chapter 19 Chapters 21 and 149 Chapter 149 Chapters 14, 110 and 124 Chapter 16 Chapter 149 Chapter Chapter 40 Chapters 16, 21, 33, 41, 45, 88, 132 and 149 Chapter 40 Chapters 40 and 164 Chapters 31 and 154 GoalKicker.com – Python® Notes for Professionals 781 giucal GoatsWearHats goodmami Greg greut Guy H Pauwelyn hackvan Hannele Hannes Karppila Harrison hashcode55 ha_1694 heyhey2k hiro protagonist HoverHell Hriddhi Dey Hurkyl hxysayhi Ian IanAuld iankit iBelieve idjaw ifma Igor Raush Ilia Barahovski ilse2005 Inbar Rose Indradhanush Gupta Infinity InitializeSahib intboolstring iScrE4m JF Jörn Hees J0HN j3485 jackskis Jacques de Hooge JakeD James James Elderfield James Taylor JamesS Jan jani japborst Jean jedwards Jeff Hutchins Jeffrey Lin JelmerS Chapter 55 Chapters 1, 16, 29, 41 and 72 Chapter 75 Chapter 22 Chapter 37 Chapters 16, 19 and 156 Chapter Chapter 164 Chapter 21 Chapters 14 and 134 Chapter 40 Chapter 76 Chapter 173 Chapter 94 Chapters 54 and 200 Chapter 12 Chapter 105 Chapters 21 and 33 Chapters 66 and 168 Chapter Chapters and 21 Chapters 21 and 37 Chapter 19 Chapter 41 Chapter 108 Chapters 1, 19, 20, 38, 39, 45, 67 and 98 Chapters 32, 41 and 88 Chapter 30 Chapter 16 Chapter 49 Chapters 19 and 115 Chapters 38, 39 and 82 Chapters 10, 21 and 45 Chapter 149 Chapters 1, 9, 15, 20, 29, 33, 38, 88, 97, 111, 119, 125 and 149 Chapter 137 Chapters 21 and 67 Chapter 20 Chapters 53 and 67 Chapters 97 and 151 Chapter 22 Chapters 8, 14, 19, 20, 33 and 100 Chapters 20, 40, 45 and 149 Chapter Chapter 21 Chapter 75 Chapter 20 Chapter 86 Chapters and 40 Chapters 1, 102 and 149 Chapter 110 Chapters 1, 16, 75, 132 and 200 Chapter 102 GoalKicker.com – Python® Notes for Professionals 782 JGreenwell JHS Jim Fasarakis Hilliard jim opleydulven Jimmy Song jimsug jkdev jkitchen JL Peyret jlarsch jmunsch JNat joel3000 Johan Lundberg John Slegers John Zwinck Jonatan jonrsharpe Joseph True Josh Jossie Calderon jrast JRodDynamite jtbandes Juan T JuanPablo Julien Spronck Julij Jegorov Justin Justin Chadwell Justin M Ucar j Kabie Kallz Kamran Mackey Karl Knechtel KartikKannapur kdopen keiv.fly Kevin Brown KeyWeeUsr KIDJourney Kinifwyne Kiran Vemuri kisanme knight kollery kon psych krato Kunal Marwaha Kwarrtz L3viathan Lafexlos Chapters 3, 9, 33 and 37 Chapter 21 Chapters 1, 16, 33, 41, 55, 87, 110, 149 and 200 Chapter Chapter 149 Chapters and 20 Chapters 20 and 38 Chapter 33 Chapters 40 and 51 Chapter 38 Chapters 1, 47, 92, 125, 181 and 192 Chapters 10, 20 and 29 Chapters 21, 103 and 192 Chapter Chapters and 149 Chapter 11 Chapters 40, 64 and 87 Chapters 1, 75, 78 and 98 Chapter Chapter 149 Chapter 86 Chapter 16 Chapters 1, 21 and 40 Chapter 70 Chapters 1, 67, 90 and 149 Chapter 110 Chapters 53 and 75 Chapter 188 Chapters 30, 33, 40, 74 and 149 Chapter 125 Chapter 149 Chapter 41 Chapter 149 Chapter 38 Chapter Chapters 67, 69 and 149 Chapters 20 and 38 Chapters 19, 21 and 110 Chapter 194 Chapters 1, 5, 14, 30, 53, 75, 146, 149 and 192 Chapters 80 and 153 Chapter 21 Chapters 43 and 193 Chapter Chapter Chapter 40 Chapter 156 Chapter 47 Chapter 83 Chapter 149 Chapter 21 Chapters 33 and 98 Chapters 1, and 20 GoalKicker.com – Python® Notes for Professionals 783 LDP Lee Netherton Leo Leo Thumma Leon Leon Z Liteye loading Locane lorenzofeliz LostAvatar Luca Van Oort Luke Taylor lukewrites Lyndsy Simon machine yearning magu_ Mahdi Mahmoud Hashemi Majid Malt manu MANU Marco Pashkov Mario Corchero Mark Mark Miller Mark Omo Markus Meskanen MarkyPython Marlon Abeykoon Martijn Pieters Martin Valgur Math Mathias711 matsjoyce Matt Dodge Matt Giltaji Matt Rowland MattCorr Mattew Whitt mattgathu Matthew max Max Feng mbrig mbsingh Md Sifatul Islam mdegis Mechanic mertyildiran MervS metmirr Chapter 20 Chapters 21, 33 and 114 Chapters 49 and 97 Chapter 20 Chapter Chapter 74 Chapters 21 and 38 Chapters 83 and 114 Chapter 21 Chapter Chapters and 161 Chapter 165 Chapter 70 Chapter 20 Chapter 21 Chapters 19, 53 and 67 Chapter 77 Chapters 21, 82 and 120 Chapter 199 Chapters 19, 28, 77, 82, 98, 112 and 173 Chapter 200 Chapter Chapter Chapters 29, 39, 40, 83 and 173 Chapter 192 Chapter 125 Chapter 130 Chapter 168 Chapter 21 Chapter 41 Chapter 79 Chapters 1, 67, 77 and 97 Chapter 104 Chapter 16 Chapter Chapters and Chapters 149 and 200 Chapters 33, 40, 173 and 193 Chapter 149 Chapters and 121 Chapters 21, 37, 39, 110, 146, 173 and 192 Chapters 19, 117, 124 and 190 Chapter 77 Chapter 67 Chapter 14 Chapter 21 Chapter 161 Chapters 28 and 75 Chapter Chapters 1, 9, 19 and 28 Chapter Chapter 125 Chapter 162 GoalKicker.com – Python® Notes for Professionals 784 mezzode mgilson Michael Recachinas Michel Touw Mike Driscoll Miljen Mikic Mimouni Mirec Miskuf mnoronha Mohammad Julfikar moshemeirelles MrP01 mrtuovinen MSD MSeifert muddyfish Mukunda Modell Muntasir Alam Murphy4 MYGz Naga2Raja Nander Speerstra naren Nathan Osman Nathaniel Ford ncmathsadist nd nehemiah nemesisfixx Ni Nick Humrich Nicolás Nicole White niemmi niyasc nlsdfnbch Nour Chawich noɥʇʎ ʎzɐɹƆ Nuhil Mehdy numbermaniac obust Ohad Eytan ojas mohril omgimanerd Or East OrangeTux Ortomala Lokni orvi Oz Bar Ozair Kafray Panda Parousia Chapter 28 Chapter 192 Chapter 149 Chapter 161 Chapters and 13 Chapter Chapter Chapter 21 Chapters and 149 Chapter 123 Chapter Chapter 20 Chapter 92 Chapter Chapters 9, 16, 19, 21, 26, 33, 37, 41, 43, 45, 48, 55, 64, 67, 68, 69, 70, 71, 72, 73 and 200 Chapters 1, 20, 21, 33, 37, 57, 111 and 149 Chapter 37 Chapter Chapter 33 Chapter 40 Chapter 150 Chapters 40, 75 and 116 Chapters 42 and 89 Chapter 190 Chapters 1, 29 and 41 Chapter 200 Chapter 33 Chapter 173 Chapter 10 Chapters and 92 Chapter 139 Chapter 29 Chapter Chapter 149 Chapters 1, 43, 45 and 149 Chapters 5, 19, 28, 30, 53, 67, 117, 120 and 121 Chapter 40 Chapters 1, 19, 21, 28, 88 and 149 Chapter 173 Chapters and Chapter 54 Chapter Chapter 38 Chapter 200 Chapters 8, 21, 75, 112 and 189 Chapter 149 Chapter 173 Chapters 1, 25, 41, 125, 133 and 134 Chapter 20 Chapter 30 Chapter 21 Chapters 23 and 69 GoalKicker.com – Python® Notes for Professionals 785 Pasha Patrick Haugh Paul Paul Weaver paulmorriss Paulo Freitas Paulo Scardine Pavan Nath pcurry Peter Brittain Peter Mølgaard Pallesen Peter Shinners petrs philngo Pigman168 pistache pktangyue poke PolyGeo poppie ppperry Prem Narain Preston proprefenetre proprius PSN pylang PYPL Pythonista pzp Quill qwertyuip9 R Colmenares R Nar Rápli András Régis B Raghav Rahul Nair RahulHP rajah9 Ram Grandhi RandomHash rassar ravigadila Razik Rednivrug regnarg Reut Sharabani rfkortekaas Ricardo Riccardo Petraglia Richard Fitzhugh rlee827 Chapters 3, 20, 21, 33, 37, 38, 67, 70, 77, 83 and 149 Chapters and 200 Chapter Chapter 88 Chapter Chapter 149 Chapter 39 Chapters 1, 20 and 179 Chapters 29, 110 and 149 Chapter 77 Chapter 73 Chapter 109 Chapter 77 Chapter 16 Chapter 96 Chapter 38 Chapter 149 Chapter 20 Chapter 145 Chapter 149 Chapter 55 Chapter 59 Chapters 138 and 173 Chapter 147 Chapter Chapter Chapters 1, 8, 21, 33, 38, 43, 53, 54, 73, 80, 128, 147, 173, 192 and 200 Chapter 79 Chapters 32 and 149 Chapters 1, 29, 30, 33, 41, 49, 64 and 67 Chapter Chapters 161, 173 and 181 Chapter 10 Chapter 21 Chapter 82 Chapter 173 Chapter 125 Chapters 1, 21, 43, 88 and 143 Chapters 5, 8, 45, 53, 64 and 112 Chapters 14, 16 and 45 Chapter Chapter 95 Chapter 172 Chapters 20, 60, 85, 91 and 104 Chapter 158 Chapters 2, 35 and 63 Chapter 75 Chapters 64 and 200 Chapters and 115 Chapter 157 Chapters 21, 84 and 117 Chapter 38 Chapter 62 GoalKicker.com – Python® Notes for Professionals 786 rll Rob H Rob Murray Ronen Ness ronrest Roy Iacob rrao rrawat Ryan Smith ryanyuyu Ry Sachin Kalkur sagism Saiful Azad Sam Krygsheld Sam Whited Sangeeth Sudheer Saqib Shamsi Sardathrion Sardorbek Imomaliev sarvajeetsuman SashaZd satsumas sayan Scott Mermelstein Sebastian Schrader Selcuk Sempoo Serenity SerialDev serv Seth M Larson Seven sevenforce ShadowRanger Shantanu Alshi Shawn Mehan Shihab Shahriar Shijo Shoe Shrey Gupta Shreyash S Sarnayak Shuo SiggyF Simon Fraser Simon Hibbs Simplans Sirajus Salayhin sisanared skrrgwasme SN Ravichandran KR solarc Chapter 21 Chapter 121 Chapter 94 Chapter 30 Chapters 19 and 41 Chapter 19 Chapter Chapter 161 Chapters 21 and 120 Chapter 21 Chapter 149 Chapter 125 Chapter Chapter 43 Chapter Chapter 111 Chapter Chapter 92 Chapter 103 Chapter 103 Chapters and 16 Chapters 12, 14, 29, 64, 86, 134, 143, 144, 146 and 194 Chapter 67 Chapters and 96 Chapters 110, 135 and 149 Chapter 173 Chapters 1, 28, 149 and 201 Chapter 38 Chapters 20, 30, 40, 43, 149 and 173 Chapter 82 Chapter 40 Chapters 54 and 87 Chapters 1, 11, 20 and 33 Chapters 16 and 67 Chapter 149 Chapter 173 Chapters 10, 15, 19, 20 and 47 Chapter 200 Chapter 198 Chapter 21 Chapters 41, 56 and 173 Chapter 12 Chapter 77 Chapters 16 and 111 Chapter 173 Chapter 169 Chapters 1, 9, 10, 14, 16, 19, 21, 28, 33, 37, 38, 41, 43, 44, 45, 50, 69, 75, 77, 82, 88, 99, 147, 149 and 173 Chapters 5, 175 and 176 Chapter 39 Chapters 16 and 99 Chapter 75 Chapters 20 and 149 GoalKicker.com – Python® Notes for Professionals 787 Soumendra Kumar Sahoo SouvikMaji sricharan StardustGogeta stark Stephen Nyamweya Steve Barnes Steven Maude sth strpeter StuxCrystal Sudip Bhandari Sun Qingyao Sunny Patel SuperBiasedMan supersam654 surfthecity Symmitchry sytech Sнаđошƒа Tadhg McDonald talhasch Tasdik Rahman taylor swift techydesigner Teepeemm Tejas Jadhav Tejus Prasad TemporalWolf textshell TheGenie OfTruth theheadofabroom the_cat_lady The_Curry_Man Thomas Ahle Thomas Crowley Thomas Gerot Thomas Moreau Thtu Tim Tim D tjohnson tlo tobias_k Tom Tom Barron Tom de Geus Tony Meyer Tony Suffolk 66 tox123 TuringTux Tyler Crompton Chapters 14 and 38 Chapter Chapter 149 Chapter 43 Chapter Chapter 161 Chapters 33 and 82 Chapters 11, 33, 47 and 92 Chapters 91, 92 and 141 Chapters 85 and 192 Chapters 21, 37, 43, 56, 76, 82, 121 and 142 Chapter 88 Chapter 101 Chapter 21 Chapters 1, 4, 15, 16, 20, 21, 26, 29, 30, 33, 41, 43, 64, 69, 77, 80, 88, 132, 149 and 200 Chapter 70 Chapter Chapters 47 and 53 Chapter 92 Chapters and 134 Chapter 149 Chapters 92, 93 and 164 Chapter 30 Chapter Chapters 1, 38, 43 and 190 Chapter 152 Chapter 201 Chapter Chapter 90 Chapters 16, 28, 33 and 121 Chapter Chapters 41, 49 and 64 Chapter 43 Chapter 16 Chapters 60 and 134 Chapter 105 Chapters 30, 43, 58, 61, 126 and 181 Chapter 119 Chapter 80 Chapter 149 Chapter 200 Chapter 44 Chapter 82 Chapters 28 and 40 Chapter 16 Chapters and 21 Chapter Chapter 43 Chapters 9, 10, 38 and 40 Chapter 38 Chapter Chapter 86 GoalKicker.com – Python® Notes for Professionals 788 Tyler Gubala Udi UltraBob Umibozu Underyx Undo unutbu user2027202827 user2314737 user2683246 user2728397 user2853437 user312016 user3333708 user405 user6457549 Utsav T vaichidrewar valeas Valentin Lorentz Valor Naram vaultah Veedrac Vikash Kumar Jain Vin Vinayak vinzee viveksyngh VJ Magar Vlad Bezden weewooquestionaire WeizhongTu Wickramaranga Will Wingston Sharon Wladimir Palant wnnmaw Wolf WombatPM Wombatz wrwrwr wwii wythagoras Xavier Combelle XCoder Real xgord XonAether xtreak Y0da ygram Yogendra Sharma yurib Chapters 119 and 122 Chapter 54 Chapter 38 Chapter 30 Chapter 49 Chapter Chapter 116 Chapter 163 Chapters 8, 9, 13, 16, 20, 28, 30, 33, 38, 40, 41, 57, 60, 64, 69, 75, 88, 110, 134, 142, 149, 154, 161, 196 and 200 Chapters 43 and 187 Chapter 166 Chapter Chapters 1, 40 and 77 Chapter 33 Chapter 33 Chapter 20 Chapter 20 Chapter Chapter 161 Chapters 20, 21, 43, 110 and 149 Chapter 43 Chapters 20, 33, 43 and 77 Chapters 21, 33, 41 and 110 Chapter 174 Chapters and 17 Chapter 149 Chapters 99, 116 and 120 Chapters 10 and 19 Chapter 31 Chapter 103 Chapter Chapters 41 and 149 Chapter 53 Chapters 5, 15, 16, 21, 30, 33, 91, 116, 117, 121 and 164 Chapter 155 Chapters 21, 37 and 197 Chapters 41, 43 and 53 Chapter 149 Chapter 30 Chapter 200 Chapter 173 Chapter 14 Chapter Chapters 15, 19, 111 and 120 Chapter 47 Chapters 14 and 30 Chapter 52 Chapters 67 and 149 Chapter 85 Chapter 190 Chapters and 117 Chapter 64 GoalKicker.com – Python® Notes for Professionals 789 Zach Janicki Zags Zaid Ajaj zarak Zaz zenlc2000 Zhanping Shi zmo zondo zopieux zvone zxxz Zydnar Ƙ ỈSƬƠƑ λuser Некто Chapter Chapter Chapter 67 Chapter 149 Chapter 21 Chapter 34 Chapter 145 Chapters 83, 140 and 141 Chapters 75 and 83 Chapter 173 Chapters 13, 37, 39 and 112 Chapter 33 Chapter 81 Chapter 117 Chapters 67 and 77 Chapters 24, 37 and 128 GoalKicker.com – Python® Notes for Professionals 790 You may also like