Given 3 sides of a triangle, check if triangle is possible

check_triangle.py

import math
import os
import random
import re
import sys



# Complete the triangle function below.
def triangle(a, b, c):
    if a <= 0 or b <= 0 or c <= 0:
        return 0
    elif a == b == c:
        return 1
    elif (a + b >= c) and (a + c >= b) and (b + c >= a):
        return 2
    else:
        return 0