三十七、hex方法
1、定义:
hex(...)
hex(number) -> string
Return the hexadecimal representation of an integer or long integer.2、解释:以字符串的方式返回一个number的16进制形式
3、举例:
>>> hex(16) '0x10' >>> hex(10) '0xa' >>> hex(2) '0x2'
三十八、id方法
1、定义:
id(...)
id(object) -> integer
Return the identity of an object. This is guaranteed to be unique among
simultaneously existing objects. (Hint: it's the object's memory address.)2、解释:返回一个对象的唯一标识(即对象的内存地址)
3、举例:
>>> id('123ad')
8531360L
>>> id('123ad')
8531160L
>>> id('123ad')
8531120L
>>> a= '123ad'
>>> id(a)
8531040L
>>> b = a
>>> id(b)
8531040L
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