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notes:python_cheat_sheet [2026/06/11 19:25]
114.119.151.209 old revision restored (2009/04/24 17:32)
notes:python_cheat_sheet [2026/06/13 18:52] (current)
216.73.216.147 old revision restored (2026/06/13 16:14)
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 [[http://www.python.org/ | Python]] is a dynamic object-oriented programming language with extensive standard libraries. These notes summarize the [[http://docs.python.org/3.0/tutorial/ | Python 3.0 tutorial]]. [[http://www.python.org/ | Python]] is a dynamic object-oriented programming language with extensive standard libraries. These notes summarize the [[http://docs.python.org/3.0/tutorial/ | Python 3.0 tutorial]].
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-===== The Interpreter ===== 
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   * **python**/**python3.0** is the command-line interpreter with readline where available.   * **python**/**python3.0** is the command-line interpreter with readline where available.
   * python -c command runs a single command.   * python -c command runs a single command.
-  * sys.argv is a list of strings with the script if any in sys.argv[0] +  * %%>>> prompts for a line . ... prompts for a continuation of a previous line.%%
-  * >>> prompts for a line . ... prompts for a continuation of a previous line+
   * PYTHONSTARTUP can point to a file of startup commands   * PYTHONSTARTUP can point to a file of startup commands
   * Expressions are evaluated and printed.   * Expressions are evaluated and printed.
   * The last printed expression is assigned to _ .   * The last printed expression is assigned to _ .
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 ===== Basics ===== ===== Basics =====
   * Comments start with # .   * Comments start with # .
 +  * sys.argv is a list of strings with the script if any in sys.argv[0]
   * Variables can be assigned (using = ) without being defined but must be assigned before being used.   * Variables can be assigned (using = ) without being defined but must be assigned before being used.
   * a,b = c,d does a multiple assignment.   * a,b = c,d does a multiple assignment.
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   * To open a file <code python> open('/tmp/workfile', 'w') </code>   * To open a file <code python> open('/tmp/workfile', 'w') </code>
   * [[http://docs.python.org/3.0/library/stdtypes.html#file-objects | 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 [[http://docs.python.org/3.0/library/pickle.html | load and dump methods]] for serializing objects. Support should be added for new object types.
notes/python_cheat_sheet.1781231118.txt.gz · Last modified: 2026/06/11 19:25 by 114.119.151.209