is-this-a-triangle.py

"""
7 kyu - Is this a triangle?

Implement a function that accepts 3 integer values a, b, c. The function should return true if a triangle can be built with the sides of given length and false in any other case.

(In this case, all triangles must have surface greater than 0 to be accepted).

"""

def is_triangle(a, b, c):
    if a<=0 or b<=0 or c<=0:
        return False
    if (a+b>c) and (a+c>b) and (b+c>a):
        return True
    return False