2018-11-07
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python存储逻辑
(1)查看存储id
id函数:获取变量引用的内存地址
is:判断两个变量是否引用了同一个对象
注意以下比较:
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python里已经存好了0-255的整形对象,位置是固定的,所以不管你用几个去赋值,都指向了同一个位置,所以id相同。而小数和字符串则不同,是重新创建,所以id不同。
(2)内部存储逻辑
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