#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
ENGG1811 Lecture Week 03 

Writing your first function 

"""

# The function my_square squares the input and 
# returns it as the output 
def my_square(x):
    y = x ** 2
    return y

a = 5
b = my_square(a)
print('The value of b is',b)