python deepcopy
>>> import copy
>>> nums = [1, 2, 3]
>>> data = {'a': 10, 'b': nums}
>>> data
{'a': 10, 'b': [1, 2, 3]}
>>> data_copy = copy.copy(data)
>>> data_deep = copy.deepcopy(data)
>>> data_copy
{'a': 10, 'b': [1, 2, 3]}
>>> data_deep
{'a': 10, 'b': [1, 2, 3]}
>>> data_copy['a'] += 2
>>> nums[1:1] = [254]
>>> data
{'a': 10, 'b': [1, 254, 2, 3]}
>>> data_copy
{'a': 12, 'b': [1, 254, 2, 3]}
>>> data_deep
{'a': 10, 'b': [1, 2, 3]}Python Deep Copy
import copy
l1=[1,3,[9,4],6,8]
l2=copy.deepcopy(l1) #Making a deep copy
print('List 1 = ', l1)
print('List 2 = ', l2)
print('Performing change in list 2')
l2[2][0] = 5
print('List 1 = ',l1)
print('List 2 = ',l2)Copyright © 2021 Codeinu
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