print the code which defined a lambda function [duplicate]

by

As long as you save your code to a source file you can retrieve the source code of
an object using the inspect module.

example:
open editor type:

myfunction = lambda x: x==2

save as lamtest.py

open shell type python to get to interactive python
type the following:

>>>from lamtest import myfunc
>>>import inspect
>>>inspect.getsource(myfunc)

the result:

'myfunc = lambda x: x==2\n'

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