By Vern Ceder

The short Python e-book, moment variation, is a transparent, concise advent to Python three, geared toward programmers new to Python. This up to date variation contains the entire adjustments in Python three, itself an important shift from past models of Python.

The publication starts with simple yet worthwhile courses that train the center beneficial properties of syntax, keep watch over move, and knowledge buildings. It then strikes to greater purposes concerning code administration, object-oriented programming, internet improvement, and changing code from prior models of Python.

True to his viewers of skilled builders, the writer covers universal programming language gains concisely, whereas giving extra aspect to these positive aspects specified to Python.

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Extra info for The Quick Python Book (2nd Edition)

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In the preceding code, variable x is assigned to a complex number q. real. Several built-in functions can operate on numbers. 49) 4 q Built-in function w Library module function Built-in functions are always available and are called using a standard function calling syntax. In the preceding code, round is called with a float as its input argument q. The functions in library modules are made available using the import statement. function(arguments). com> 21 Built-in data types Other than their representation as True and False, Booleans behave like the numbers 1 (True) and 0 (False) q.

They’re also more efficient to use when you don’t need modifiability. 0, ["a", "b"], (5, 6)) q w A one-element tuple q needs a comma. A tuple, like a list, can contain a mixture of other types as its elements, including strings, tuples, lists, dictionaries, functions, file objects, and any type of number w. 4 Strings String processing is one of Python’s strengths. """ Strings can be delimited by single (' '), double (" "), triple single (''' '''), or triple double (""" """) quotations and can contain tab (\t) and newline (\n) characters.

3 Using the Python shell in IDLE. q Code is automatically colored (based on Python syntax) as it’s typed in. w Here I typed f and then pressed Alt-/, and automatic completion finished the word factorial. e I lost the prompt, so I pressed Ctrl-C to interrupt the interpreter and get the prompt back (a closed bracket would have worked here as well). r Placing the cursor on any previous command and pressing the Enter key moves the command and the cursor to the bottom, where you can edit the command and then press Enter to send it to the interpreter.

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