print "Calculator" Firstnumber = input("Enter your first number: ") Firstoperator = raw_input("Enter you operator: ") Secondnumber = input ("Enter your second number: ") if Firstoperator == "+": Firstnumber + Secondnumber print Firstnumber + Secondnumber if Firstoperator == "*": Firstnumber * Secondnumber print Firstnumber * Secondnumber if Firstoperator == "/": Firstnumber / Secondnumber print Firstnumber / Secondnumber if Firstoperator == "-": Firstnumber - Secondnumber print Firstnumber - Secondnumber