what lambda does in python code example

Example 1: lambda python

add = lambda a, b : a + b
add(3,6) ## 9

Example 2: lambda python

def sumn(n):
  return lambda a: a + n
sum5 = sumn(5)
sum5(3) ## 8

Example 3: lambda function in python

>>> def identity(x):
...     return x

These two functions do the same thing

>>> lambda x: x