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... two)Multi-dimensional array1 86 Chapter 6 real-world format strings Head First: Format String, it’s a pleasure to meet you.Format String: The pleasure is all mine. Head First: You’re not just used ... see what sort of data you will need to generate: 62 18 967 25740 561 80000220 LATTE75 362 847324839070000120 TEA9334337 468 4577850000150 DONUT4 265 7423454758780000095 GRAIN BARThe file contains formatted ... think that’s a great idea. Head First: Why’s that?Format String: Two reasons: first, you might have to create a lot of code, and second, I’m a little more dynamic. Head First: What do you mean?Format...

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... 2string theory Head First: String, it’s so good of you to find the time to speak to us.String: Please, the honor is mine. Sit. Sit. Make yourself at home. Did you eat yet? Head First: I’m fine, ... record text one character at a time. Head First: That must have been rather inconvenient.String: Inconvenient? It was a royal pain in the tuchis. Head First: Quite.String: Without me, handling ... riding a pedal cycle without a saddle. Head First: In what way?String: It was possible to get somewhere, but the journey was kind of stressful. Head First: You simplify things.String: Certainly....

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... TypeError might be. Why do you think the code crashed?you are here 4 69 textual dataYou’re already using library codeLook at the first line of the original code:import urllib.requestpage = urllib.request.urlopen("http:// ... it will also need to replace the existing price-watch code. Is there a problem? Why? Why not? 66 Chapter 2traffic jam From: The Department of Webland Security Secret Service - Corporate ... Head of Internet AffairsThe Department of Webland Security 37 You don’t need To know where we are (but we know where you live) Washington, D.C.That sounds weird. What happened? 60 Chapter...

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... Sorting sounds tricky is there a “best” way?8 .65 9.128.457.818.057.218.319.128 .65 8.458.318.057.817.21highest _score9.12second_highest8 .65 third_highest8.45The unsorted dataAn ... number.The results file.Johnny 8 .65 Juan 9.12Joseph 8.45Stacey 7.81Aideen 8.05Zack 7.21Aaron 8.31The results in the file look like this.Name ScoreJohnny 8 .65 Juan 9.12Joseph 8.45Stacey ... score.Surf-A-Thon1. 9.12 2. 8 .65 3. 8.451st2nd3rdWinners142 Chapter 4You know the winning scores, but the winnng surfers remain a mystery 1 06 Chapter 3local garbage removalWhen...

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... was intended for the Head- Ex depot in Cambridge, MA, or the Head- Ex depot in Cambridge, England. You need some way to prevent users from entering ambiguous data in the depot field. Think about ... the depot Entry field in the Head- Ex program with a set of radio buttons, you prevent users from entering ambiguous depot names. That way, they will be able to choose one, and only one, depot. ... with later.Let’s demo the new interface to the guys at Head- Ex. Label(app, text = "Depot:").pack()depot=Entry(app)depot.pack()Radiobutton(app, text = "Cambridge, MA").pack()Radiobutton(app,...

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... 291guis and data HEAD- EX HEAD- EXThings are going great at Head- ExThe GUI system is easy to use, and by restricting the depots with an option menu, the quality of the entered data is spot on. This ... the same.Depot: SaveThe user could select a depot from an option menu.280 Chapter 8depot buttonsPool Puzzle SolutionThis is the section of the program that creates the depot radio buttons. ... of the pieces were needed. Label(app, text = "Depot:").pack()depot = StringVar()depot.set(None)Radiobutton(app, variable = depot, text = "Cambridge, MA", value = "Cambridge,...

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... here?348 Chapter 9 programming toolboxCHAPTER 9Your Programming ToolboxYou’ve got Chapter 9 under your belt. Let’s look back at what you’ve learned in this chapter: Programming Tools* ... not legal?Jim: Well it depends on the programming language.Joe: Don’t tell me this is something that only works with Python?!?Jim: No there are lots of programming languages that allow you to ... module: from tkinter import *from sound_panel import *import pygame.mixerapp = Tk()app.title( Head First Mix")mixer = pygame.mixermixer.init()create_gui(app, mixer, “50459_M_RED_Nephlimizer.wav")create_gui(app,...

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... widget, 3 36 338, 340–345, 348Text() widget, 261 , 263 , 266 – 267 , 269 , 292data storage, 129–130data structures, 131, 150. (see also arrays; hashes)list of, 152returning from functions, 164 – 167 database, ... indexDdata entry widgetsCheckbutton() widget, 331–335, 348Entry() widget, 261 – 262 , 266 – 267 , 269 , 292model for, 2 76 278, 285, 292OptionMenu() widget, 284–290, 292populating dynamically, 288–290, ... IDLE)Emacs editor, 395encapsulation, 392endswith() method, strings, 56 Entry() widget, 261 , 269 , 292creating, 266 – 267 methods for, 262 equal sign (=), assignment operator, 4equal sign, double (==),...

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