What is def function nd wtt its use

Question

Kindly give me example

Answer 1

#challenger mg , please use a proper tag for programming language. Thanks!

Answer 2

def is keyword for making definitions of user defined function in python..
You can find examples from this...
All is here...
https://www.sololearn.com/learn/Python/2285/
Tag the language also..

Answer 3

It is use in python to define a function