By Mark Lutz

Up-to-date for either Python 3.4 and 2.7, this useful pocket consultant is the proper on-the-job fast reference. You’ll locate concise, need-to-know details on Python varieties and statements, targeted process names, integrated services and exceptions, prevalent typical library modules, and different trendy Python instruments. The convenient index allows you to pinpoint precisely what you need.

Written by way of Mark Lutz—widely well-known because the world’s prime Python trainer—Python Pocket Reference is a perfect spouse to O’Reilly’s vintage Python tutorials, Learning Python and Programming Python, additionally written via Mark.

This 5th variation covers:

• integrated item varieties, 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 capabilities, exceptions, and attributes
• targeted operator overloading methods
• regularly occurring ordinary library modules and extensions
• Command-line techniques and improvement tools
• Python idioms and hints
• The Python SQL Database API

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Additional resources for Python Pocket Reference (5th Edition)

Example text

X, Unicode strings are written as u'ccc', which cre‐ ates a unicode type object. ) Arbitrary Unicode characters can be written using a special escape sequence, \uHHHH, where HHHH is a four-digit hexadecimal number from 0000 to FFFF. The traditional \xHH escape sequence can also be used, and octal es‐ capes can be used for characters up to +01FF, which is represented by \777. unicode supports both string methods and sequence operations (see Table 3). , the re‐ sult of 'a' + u'bc' is u'abc'). S. ASCII data (and raise an error for non-ASCII characters).

Is*() The is*() Boolean tests work on strings of any length. They test the content of strings for various categories (and always return False for an empty). 0, most of the string-processing functions previously available in the standard string module became avail‐ able as methods of string objects. replace('span', 'spam') But the string method call form is preferred and quicker, and string methods require no module imports. join(iterable). X: use the equivalent string object methods instead. See “The string Mod‐ ule” for this module’s remaining content.

Title() Returns a title-cased version of the string: words start with uppercase characters; all remaining cased characters are lowercase. is*() The is*() Boolean tests work on strings of any length. They test the content of strings for various categories (and always return False for an empty). 0, most of the string-processing functions previously available in the standard string module became avail‐ able as methods of string objects. replace('span', 'spam') But the string method call form is preferred and quicker, and string methods require no module imports.

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