Answers for "copy.deepcopy() python"

1

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]}
Posted by: Guest on September-25-2020
-1

Python Deep Copy

import copy

l1 = [1,3,[9,4],6,8]
l2 = copy.copy(l1) #Making a shallow 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)
Posted by: Guest on July-10-2021

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