[perl-python] Range function

Discussion in 'Perl Misc' started by Xah Lee, May 13, 2005.

  1. Xah Lee

    Xah Lee Guest

    Today we'll be writing a function called Range. The Perl documentation
    is as follows.

    Perl & Python & Java Solutions will be posted in 48 hours.

    This is Perl-Python a-day. See
    http://xahlee.org/web/perl-python/python.html

    Xah

    ∑ http://xahlee.org/

    --------------------------

    Range

    Range($iMax) generates the list [1, 2, ... , $iMax].

    Range($iMin, $iMax) generates the list [$iMin, ... , $iMax].

    Range($iMin, $iMax, $iStep) uses increment $iStep, with the last
    element
    in the result being less or equal to $iMax. $iStep cannot be 0. If
    $iStep is negative, then the role of $iMin and $iMax are reversed.

    If Range fails, 0 is returned.

    Example:

    Range(5); # returns [1,2,3,4,5]

    Range(5,10); # returns [5,6,7,8,9,10]

    Range( 5, 7, 0.3); # returns [5, 5.3, 5.6, 5.9, 6.2, 6.5, 6.8]

    Range( 5, -4, -2); # returns [5,3,1,-1,-3]
    Xah Lee, May 13, 2005
    #1
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