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
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)
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)
example of deep copy in python
old_list = [[1, 2, 3], [4, 5, 6], [7, 8, 'a']] new_list = old_list new_list[2][2] = 9 print('Old List:', old_list) print('ID of Old List:', id(old_list)) print('New List:', new_list) print('ID of New List:', id(new_list))
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
Forgot your account's password or having trouble logging into your Account? Don't worry, we'll help you to get back your account. Enter your email address and we'll send you a recovery link to reset your password. If you are experiencing problems resetting your password contact us
