Python Concat несколько раз
x = [1, 2, 3]
y = 2 * x
print(y) # [1, 2, 3, 1, 2, 3]
Easy Elk
x = [1, 2, 3]
y = 2 * x
print(y) # [1, 2, 3, 1, 2, 3]