Practice #21: Program to Validate and Calculate Area of a Triangle | Python Coding for Beginners

Description In this exercise, you'll write a program that takes user input as 3 side lengths of a triangle. The program then validates if the triangle is valid or not. If valid, output the triangle area (using Heron formula) ------------------------- Python Coding for Beginners Python Programming for Beginners Learn Python by Building Projects Python Exercises and Practical Examples with solutions Practice Python Online with solution How to write a Python program