Exception Handling

#exception handling
#this code has a deliberate error
print("try entering a letter instead of a number to create an exception")
while True:
    try:
        x=int(input("enter the first number"))
        y=int(input("enter the second number"))
        z=(x)+(y)
        print(z)
    except:
        print("Hey numbnuts, only numbers can be calculated")