Download Python Pocket Reference (5th Edition) by Mark Lutz PDF

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By Mark Lutz

Up to date for either Python 3.4 and 2.7, this handy pocket advisor is the fitting on-the-job speedy reference. You'll locate concise, need-to-know info on Python kinds and statements, exact process names, integrated services and exceptions, time-honored typical library modules, and different sought after Python instruments. The convenient index enables you to pinpoint precisely what you need.

Written by way of Mark Lutz—widely famous because the world's best Python trainer—Python Pocket Reference is a perfect better half to O'Reilly's vintage Python tutorials, Learning Python and Programming Python, additionally written via Mark.

This 5th version covers:
• integrated item forms, together with numbers, lists, dictionaries, and more
• Statements and syntax for growing and processing objects
• capabilities and modules for structuring and reusing code
• Python's object-oriented programming tools
• integrated features, exceptions, and attributes
• distinctive operator overloading methods
• common ordinary library modules and extensions
• Command-line techniques and improvement tools
• Python idioms and hints
• The Python SQL Database API

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Extra info for Python Pocket Reference (5th Edition)

Example text

It is not, so this condition is False and we skip the if-block. Next we execute line 25. 25. if guess == number: We check if guess (the integer 8) is equal than number (the integer 8). It is, so we enter the ifblock at line 26. 26. break The break statement tells us to break out of the while-block that we are inside, and go to the first line after the while-block. This will be line 28. 28. if guess == number: We check if guess (the integer 8) is equal than number (the integer 8). It is, so we enter the ifblock at line 29.

If you delete the pound sign, then this code will no longer be a comment and would be executed with the rest of the program. In IDLE, you can easily see that this is a comment and not code because it is in red text. 14. print 'Color: ' + favoriteColor 15. print 'Animal: ' + favoriteAnimal 16. print 'Food: ' + favoriteFood These three lines will display our favorite things once again. When the last line of the program executes, the program terminates. Crazy Answers and Crazy Names for our Favorite Stuff The computer doesn't really care what you type in.

After this line runs, guess stores the integer 12 instead of the string '12'. 17. guessesTaken = guessesTaken + 1 The value stored in guessesTaken is 0 (this was set on line 4). We want to keep track of how many guesses the player has taken, so we make the new value of guessesTaken to be the current value of guessesTaken plus one. After this line executes, guessesTaken will now hold the integer 1. 19. if guess < number: Now we check if the if-statement's condition is True. The value of guess is the integer 12 (set on line 15), and the value of number is 8 (set on line 9).

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