Question: 
Write a function to check if the triangle is valid or not.


Model's Code:
def validity_triangle(a, b, c):
    return a + b > c and a + c > b and b + c > a and all(angle > 0 for angle in (a, b, c))



Sample Correct Code:
def validity_triangle(a,b,c):
 total = a + b + c
 if total == 180:
    return True
 else:
    return False


Asserts:
assert validity_triangle(60,50,90)==False
assert validity_triangle(45,75,60)==True
assert validity_triangle(30,50,100)==True


Tests:
Test 1 of 3: FAIL: AssertionError()

Test 677 of 974: 507/677 (74.88921713441654%): failed