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notes:python_cheat_sheet

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notes:python_cheat_sheet [2026/07/23 04:51]
114.119.135.37 old revision restored (2026/07/07 08:05)
notes:python_cheat_sheet [2026/07/24 23:07] (current)
216.73.217.13 old revision restored (2026/07/24 10:09)
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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]].
 +
 +===== The Interpreter =====
 +
   * **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.
-  * %%>>> prompts for a line . ... prompts for a continuation of a previous line.%%+  * 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
   * 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 _ .
 +
  
 ===== 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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   * lambda x: x + n creates a small anonymous function.   * lambda x: x + n creates a small anonymous function.
   * A function should contain a triply quoted doc string at the start. This is accessible with func.__doc__ .   * A function should contain a triply quoted doc string at the start. This is accessible with func.__doc__ .
-  * 4 spaces per indent, no tabs. CamelCase for classes lower_case with underscores for functions.+  * 4 spaces per indent, no tabs. CamelCasel for classes lower_case_with_underscores for functions.
  
 ===== Lists ===== ===== Lists =====
notes/python_cheat_sheet.1784807493.txt.gz · Last modified: 2026/07/23 04:51 by 114.119.135.37