python基础编程_6_列表的复制

已知一列表,新建另一列表使其包含相同的元素,但不是指向同一内存空间

x = [2,4,6,7,9]
y1= x[:]
y2=x
print(y1)
print(y2)

x[0]=111
print(y1)
print(y2)

[2, 4, 6, 7, 9]
[2, 4, 6, 7, 9]
[2, 4, 6, 7, 9]
[111, 4, 6, 7, 9]