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Engineering LibreTexts

8.4: List operations

[ "article:topic", "authorname:severancec", "python (language)", "license:ccbyncsa" ]
  • Page ID
    3135
  • The + operator concatenates lists:

     

    >>> a = [1, 2, 3]
    >>> b = [4, 5, 6]
    >>> c = a + b
    >>> print(c)
    [1, 2, 3, 4, 5, 6]

    Similarly, the * operator repeats a list a given number of times:

     

    >>> [0] * 4
    [0, 0, 0, 0]
    >>> [1, 2, 3] * 3
    [1, 2, 3, 1, 2, 3, 1, 2, 3]

    The first example repeats four times. The second example repeats the list three times.