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2019-02-07 09:57:34
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排序>>>z=[11,34,-12,9,8534,12,434]>>>z.sort()>>>z[-12,9,11,12,34,434,8534]sort()函数用于对原列表进行排序，如果指定参数，则使用比较函数指定的比较函数。语法sort()方法语法：list.sort(cmp=None,key=None,reverse=False)参数参数c
原创
2018-12-04 15:56:20
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del如下。pop弹出元素并返回。print(x)[1,2,5,6,8,4,3,5]delx[3]print(x)[1,2,5,8,4,3,5]y=x.pop()print(y)5xprint(x)[1,2,5,8,4,3]print(x)[1,2,5,8,4,3]xz=x.pop(3)print(x)[1,2,5,4,3]zprint(z)8x1=(1,2,"aaaa")x2=(3,4,"bbb
原创
2018-12-04 15:53:24
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del如下。pop弹出元素并返回。print(x)[1,2,5,6,8,4,3,5]delx[3]print(x)[1,2,5,8,4,3,5]y=x.pop()print(y)5xprint(x)[1,2,5,8,4,3]print(x)[1,2,5,8,4,3]xz=x.pop(3)print(x)[1,2,5,4,3]zprint(z)8x1=(1,2,"aaaa")x2=(3,4,"bbb
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2018-12-04 15:52:43
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2018-12-04 15:43:27
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2018-12-03 19:48:41
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2018-12-03 12:47:33
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