Python List - Copy

list-copy-example.py

import copy

print("Copy List Reference:")
a = [1, 2, 3]
b = a
b[0] = 42
print('{}\n{}'.format(a, b))

print("Copy List Elements")
a = [1, 2, 3]
b = a.copy()
# or b = copy.copy()
b[0] = 42
print('{}\n{}'.format(a, b))

print("Copy List Objects")
a = [1, 2, 3, [4, 5, 6]]
b = copy.deepcopy(a)
b[3][1] = 42
print('{}\n{}'.format(a, b))

print("Copy List Objects (Slicing). Obs: Didn't copy objects! =(")
a = [1, 2, 3, [4, 5, 6]]
b = a[:]
b[3][1] = 42
print('{}\n{}'.format(a, b))