As far as I know there is no official way to clone a list in Python. This is desirable at times because normal variable assignment of lists is just a reference copy. For example:
 
>>> listA = [’A', ‘B’, ‘C’, ‘D’]
>>> listB = listA
>>> listA
[’A', ‘B’, ‘C’, ‘D’]
>>> listB
[’A', ‘B’, ‘C’, ‘D’]
>>> listA.remove(’C')
>>> listA
[’A', [...]

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