Python program to check if number is triangle number.

# © 2017 TheFlyingKeyboard and released under MIT License
# theflyingkeyboard.net

def isSquare(n):
    if n < 1:
        return False
    else:
        for i in range(0, int(n/2) + 2):
            if (i * i) == n:
                return True
        return False

num = int(input("Enter a number:"))

if isSquare(8 * num + 1):
  print("Number is triangle number")
else:
  print("Number is not triangle number")

 

Python Check If Number Is Triangle Number
Tagged on:     

Leave a Reply

Your email address will not be published. Required fields are marked *

This website stores some user agent data. These data are used to provide a more personalized experience and to track your whereabouts around our website in compliance with the European General Data Protection Regulation. If you decide to opt-out of any future tracking, a cookie will be set up in your browser to remember this choice for one year. I Agree, Deny
504