You are going to enhance the prior assignment by implementing exceptions 

*****  You need to tell me where you implemented the exception and why. *****
Show me 2 test cases that will trap the errors

def addition(n1,n2):
    return n1+n2
def subtraction(n1,n2):
    return n1-n2
def multiplication(n1,n2):
    return n1*n2
def division(n1,n2):
    return n1/n2

def IsInRange(lr,hr,n):
    return lr