What is the id( ) function used for?

Question

I read the Python 2 docs and noticed the id() function:

Return the “identity” of an object. This is an integer (or long integer) which is

Answer 1

I am starting out with python and I use id when I use the interactive shell to see whether my variables are assigned to the same thing or if they just look the same.

Every value is an id, which is a unique number related to where it is stored in the memory of the computer.