# -*- coding: utf-8 -*-
"""
Created on Sat Feb 16 19:00:02 2019

@author: khalid
"""
x = 37 ** 2 - 23                 # A comment.
y = 'Hi'                         # Another one.
z = 3.14
if z == 3.14 or y == 'Hi!':
    x = x + 1
    y = y + ' World'             # Concatenating strings.
print(x)
print(y)
print("Hi world!")