Python built-in function ID

English documents:

ID (object)

Return the "Identity" of an object. This was an integer which was guaranteed to being unique and constant for the this object during its lifetime. The objects with non-overlapping lifetimes could have the Sameid () value.

CPython implementation Detail:this is the address of the object in memory.

Description

1. Returns the unique identifier of the object, expressed in integers. This identifier constant is unique throughout the program life cycle.

>>> a = 1>>> ID (a) >>> ID (1.0) >>> a = ' Some text ' >>> ID (a)

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