How Python implements reversed reverse

1 string and list implementations (methods using slices) do not modify the original contents of the element and assign the output to the value

In [the]: s= ' Nihao ' in []: S1 = s[::-1]in [[]: s1out[36]: ' Oahin '

In [lout[47]: [' C ', ' B ', ' A ']in []: l[::-1]out[48]: [' A ', ' B ', ' C ']

2 list and tuple unique methods

L.reverse ()

However, this method is seldom used, and the original content is modified without a return value

in [[]: lout[50]: [' C ', ' B ', ' A ']in [Wuyi]: L1 = L.reverse () in []: lout[52]: [' A ', ' B ', ' C ']in [+]: l1in [54]:

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How Python implements reversed reverse