python clone object
import copy
new_ob = copy.deepcopy(old_ob)python clone object
import copy
new_ob = copy.deepcopy(old_ob)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]}.copy python
new_list = list.copy()
# returns a new list without modifying the orginal list.python copy list
a=[1,2,3,4]
b=a[:]
''' now b has all elements of a'''Copyright © 2021 Codeinu
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