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]}

Source: pythoner.name

Python copy variable

>>> import copy
>>> a = 0
>>> b = 2
>>> a = copy.copy(b)
>>> b += 1
>>> a
2
>>> b
3

Similar codes

0 vote264 views1 answer
Django update field after save
Python
0 vote269 views1 answer
Changing instance variable python inheritance
Python
0 vote272 views1 answer
Remove prefix in python 3.6
Python
11 votes292 views1 answer
How to use timeit in python 3
Python
0 vote301 views1 answer
Select text in a div selenium python
Python
44 votes309 views3 answers
Python string cut last character
Python
3 votes254 views2 answers
Pack tkinter
Python
0 vote300 views1 answer
Python run module with and without "-m" option and import path setting
Python
0 vote274 views1 answer
Mechanize python XE #27
Python
6 votes276 views1 answer
Pip freeze requirements.txt no weird path
Python