Python code that calculate the area of a triangle and recognize its type (equilateral - isosceles - different-sided - right-angled)

triangle_area_and_type.py

import math

def calculate_area(a, b, c):
    s = (a + b + c) / 2
    area = math.sqrt(s * (s - a) * (s - b) * (s - c))
    return area

def classify_triangle(a, b, c):
    if a == b == c:
        return "equilateral"
    elif a == b or b == c or a == c:
        return "isosceles"
    else:
        return "different-sided"

def check_right_triangle(a, b, c):
    sides = [a, b, c]
    sides.sort()
    if sides[0]**2 + sides[1]**2 == sides[2]**2:
        return "is a right-angled"
    else:
        return "is not a right-angled"

def main():
    sides = input("Enter the sides of the triangle separated by space: ").split()
    a, b, c = map(float, sides)

    area = calculate_area(a, b, c)
    triangle_type = classify_triangle(a, b, c)
    right_triangle = check_right_triangle(a, b, c)

    print(f"The area of the triangle is: {area}")
    print(f"The triangle is an {triangle_type} triangle")
    print(f"The triangle {right_triangle} triangle.")

if __name__ == "__main__":
    main()