python如何分配新地址
示例
>>> x= [4, 6, 2, 1, 7, 9]
>>> x
[4, 6, 2, 1, 7, 9]
>>> id(x)
43267816
>>> y = x
>>> id(y)
43267816
>>> y = x[:]
>>> y
[4, 6, 2, 1, 7, 9]
>>> id(y)
43246656
python如何分配新地址
>>> x= [4, 6, 2, 1, 7, 9]
>>> x
[4, 6, 2, 1, 7, 9]
>>> id(x)
43267816
>>> y = x
>>> id(y)
43267816
>>> y = x[:]
>>> y
[4, 6, 2, 1, 7, 9]
>>> id(y)
43246656