Question

How to clone a two-dimensional list in Python

Answer 1

import copy

list2D = [[1, 2, 3], [4, 5, 6], [7, 8, 9, 10]]

cloned_list = copy.deepcopy(list2D)

print(cloned_list)


  
'''
run:
  
[[1, 2, 3], [4, 5, 6], [7, 8, 9, 10]]
  
'''

 

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Answer 2

list2D = [[1, 2, 3], [4, 5, 6], [7, 8, 9, 10]]

cloned_list = [row[:] for row in list2D]

print(cloned_list)


  
'''
run:
  
[[1, 2, 3], [4, 5, 6], [7, 8, 9, 10]]
  
'''

 

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