one basic python file that operats. .first the user will se a list of math operatators eg additon,sub,mult. .Then the program will ask the user's requirement wheather he want addition sub and more. ' the user will select the operator he choise. . then the program will ask to input the numb1 and numb to be calculated. . there final the user will get his finall result. . if the user loved the program and wants to continue simple he will se somthig like "press y to continue or n to finish" . if he select y the program will operate again. . if not the program will stop.