def equal(a, b):
if(a == b):
return str(a) + " is equal to " + str(b) +"!"
else:
return str(a) + " is not equal to "+ str(b) +"."
print(equal(1, 1))
#Expected output: 1 is equal to 1!
print(equal(1, 2))
#Expected outpt: 1 is not equal to 2.