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notes:python_cheat_sheet

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notes:python_cheat_sheet [2026/07/23 04:55]
114.119.151.209 old revision restored (2026/07/06 16:17)
notes:python_cheat_sheet [2026/07/24 15:24] (current)
47.79.201.32 old revision restored (2026/06/21 13:23)
Line 91: Line 91:
 from fib import fib1, fib2 from fib import fib1, fib2
 </code> </code>
-  * <code python>__name__</code> is set to the name of the module or to <code python>__main__</code> if called from the command line.+  * %%__name__%% is set to the name of the module or to %%__main__%% if called from the command line.
   * The search list for modules is the variable sys.path initialized from the directory containing the input script (or the current directory), PYTHONPATH and the installation-dependent default.   * The search list for modules is the variable sys.path initialized from the directory containing the input script (or the current directory), PYTHONPATH and the installation-dependent default.
   * When a module is imported, a byte-code version is stored to module.pyc which speeds up successive loads.   * When a module is imported, a byte-code version is stored to module.pyc which speeds up successive loads.
Line 103: Line 103:
   * str() returns a readable representations, repr() returns a canonical representation   * str() returns a readable representations, repr() returns a canonical representation
   * Strings have several formatting methods.    * Strings have several formatting methods. 
-  * [[ http://docs.python.org/3.0/library/string.html#formatspec | formatstring.format(tuple)]] is the printf equivalent. The old style was [[http://docs.python.org/3.0/library/stdtypes.html#old-string-formatting | formatstring % (tuple)]] which uses C-type format strings.+  * //formatstring.format(tuple)// is the [[http://docs.python.org/3.0/library/string.html#formatspec | new-style printf]] equivalent. The [[http://docs.python.org/3.0/library/stdtypes.html#old-string-formatting | old-style]] was //formatstring % (tuple)// which uses C-type format strings.
   * To open a file <code python> open('/tmp/workfile', 'w') </code>   * To open a file <code python> open('/tmp/workfile', 'w') </code>
-  * File methods include read, readline, write.+  * [[http://docs.python.org/3.0/library/stdtypes.html#file-objects | File methods]] include read, readline, write.
   * //pickle// contains load and dump methods for serializing objects. Support should be added for new object types.   * //pickle// contains load and dump methods for serializing objects. Support should be added for new object types.
notes/python_cheat_sheet.1784807732.txt.gz · Last modified: 2026/07/23 04:55 by 114.119.151.209