python clone object
import copy
new_ob = copy.deepcopy(old_ob)python clone object
import copy
new_ob = copy.deepcopy(old_ob)python deep copy
# explaining why we need deepcopy
x = [0,1]
y = x
x.append(2)
print(x)
print(y)
# result: [0, 1, 2]
# result: [0, 1, 2]
import copy
some_list = [[0, 0, 0], [1, 1, 1], [2, 2, 2]]
other_list = copy.copy(some_list)
some_list.append([3, 3, 3])
print(some_list)
print(other_list)
# result: [0, 0, 0], [1, 1, 1], [2, 2, 2], [3, 3, 3]]
# result: [0, 0, 0], [1, 1, 1], [2, 2, 2]]
del some_list[2]
some_list[1][0] = 'One'
print(some_list)
print(other_list)
# result: [0, 0, 0], ['One', 1, 1], [2, 2, 2]]
# result: [0, 0, 0], ['One', 1, 1], [2, 2, 2]]
#this problem doesn't happen with copy.deepcopy()Copyright © 2021 Codeinu
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