# This program solves for roots of quadratic equations
# (ones of the form ax^2 + bx + c = 0).
# It is a demonstration of returning multiple values.

import math

# Computes/returns the roots of the quadratic equation
# with the given integer coefficients a, b, and c.
def quadratic(a, b, c):
    disc = math.sqrt(b * b - 4 * a * c)
    root1 = (-b + disc) / (2 * a)
    root2 = (-b - disc) / (2 * a)
    return root1, root2

def main():
    r1, r2 = quadratic(1, -5, 6)
    print("The roots are", r1, "and", r2)

    r1, r2 = quadratic(2, 6, 4)
    print("The roots are", r1, "and", r2)

main()