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lis = list(range(10, 20, 2)) def change(lis): lis.reverse() print(lis) change(lis) print(lis)
[18, 16, 14, 12, 10] [18, 16, 14, 12, 10]
[20, 18, 16, 14, 12, 10] [20, 18, 16, 14, 12, 10]
[18, 16, 14, 12, 10] [10, 12, 14, 16, 18]
[20, 18, 16, 14, 12, 10] [10, 12, 14, 16, 18, 20]