PYTHON

python list deep copy

from copy import deepcopy
 
if __name__ == '__main__':
 
	x = [1, 2]
    y = [x, x]
 
	# create a copy of list y
    clone = deepcopy(y)
 
    # remove the last item from the original list
    x.pop()
 
    # cloned list remains unchanged
    print(clone)  # [[1, 2], [1, 2]]

Copying a list using deepcopy() in python

import copy
list1 = [[9, 8, 7], [6, 5, 4], [3, 2, 1]]
list2 = copy.deepcopy(list1)
print("Old list:", list1)
print("New list:", list2)

python list deep copy

import copy

list_to_copy = ['a', 2, 'foo']

new_deepcopy = copy.deepcopy(list_to_copy)