a = 1000 b = 1000 print(id(a),id(b))2689566689904 2689566688880 a ,b= 1000,1000 print(id(a),id(b))2689566689968 2689566689968 一行执行的用一个id地址 分行执行用两个地址
>>> a = 1000
>>> b = 1000
>>> print(id(a),id(b))
2689566689904 2689566688880
>>> a ,b= 1000,1000
>>> print(id(a),id(b))
2689566689968 2689566689968
一行执行的用一个id地址
分行执行用两个地址