7 kyu Is this a triangle?.py

"""
https://www.codewars.com/kata/56606694ec01347ce800001b/train/python

Implement a method that accepts 3 integer values a, b, c. The method 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):
    answer = True
    
    if a < 0 or b < 0 or c < 0:
        answer = False
        
    if a + b <= c or a + c <= b or b + c <= a:
        answer = False
        
    return answer