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Using Python on Willow

Python Information

  • Version: 2.2
  • Installation Directory: /usr/local/python2.2
  • Executable: /usr/local/python2.2/bin/python

  • Usage

    Python can be run in either interactive or interpreted mode. In interactive mode, the user types code directly into the python interface, and the python interpreter immediately executes the user's code at the end of each line or block entered. In interpreted mode, the user first creates a program in a text editor, and then feeds the entire program into the python interpreter, at which time it is executed as a whole.

    To invoke the interactive mode, type:
           /usr/local/python2.2/bin/python

    To interpret a previously written program, type:
           /usr/local/python2.2/bin/python my_program.py

    Simple Example

    This is a complete python program that will first add 2 + 2, print the result, and then print the numbers 0 to 9 on a single line:

    #pythontest.py
    
    
    # add 2 + 2
    print "2 + 2 = ", 2 + 2
    
    # print just an empty line
    print
    
    
    # display numbers 0 to 9
    for number in range(10):
        print number,


    More Information about Python

  • Python Tutorial - Written by the creator of Python
  • Python (programming language) - Wikipedia article on Python

  • Last Modified:June 08, 2007 10:31:56.   Copyright © 1997-2012 The Mississippi Center for Supercomputing Research. All Rights Reserved.   The University of Mississippi
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