I am learning Python and have written several small programs of increasing complexity but so far they are all "linear" programs meaning that they are meant to do one thing. I have yet to fully understand program control in order to go to and return form modules (I think this is the correct term). In other words, I have a menu which offers several options, I would like to be able to combine several of my programs into seperate modules and put in one larger program. Then the user could select a menu item, be sent to a module and return to the menu for another selection. Can someone show me how to do module or program control to accomplish the basic example below:
Main Menu Select 1 for subtraction Select 2 for addition Select 3 to quit *********************************** Subtraction module: Enter a number Enter a second number Answer =Number1-Number2 Menu: Select 1 to return to main menu Select 2 to subract again ************************************ Addition module: Enter a number Enter a second number Answer = Number1+Number2 Menu Select 1 to return to main menu Select 2 to add again ********************************************
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