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It selects all but the last element of a sequence. Example below using a list: In [15]: a=range(10) In [16]: a Out[16]: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] In [17]: a[:-1] Out[17]: [0, 1, 2, 3, 4, 5, 6, 7, 8] (责任编辑:) |
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It selects all but the last element of a sequence. Example below using a list: In [15]: a=range(10) In [16]: a Out[16]: [0, 1, 2, 3, 4, 5, 6, 7, 8, 9] In [17]: a[:-1] Out[17]: [0, 1, 2, 3, 4, 5, 6, 7, 8] (责任编辑:) |
It selects all but the last element of a sequence. Example below using a list: ...
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