def checkvalidity(a, b, c):
If (a + b <= c) or (a + c <=b) or (b +c <=a):
return false
else:
return true
If checkvalidity (a, b, c):
print(“valid”)
else:
print(“invalid”)
def checkvalidity(a, b, c):
If (a + b <= c) or (a + c <=b) or (b +c <=a):
return false
else:
return true
If checkvalidity (a, b, c):
print(“valid”)
else:
print(“invalid”)