choose runrun module you see python shell window open with prompt to type number between and type and press enter the shell asks for another number between and type and press enter you see the combination of the two numbers as outputas shown in figure - figure - adding mul tiple levels lets you per form tasks with greater complexity this example has the same input features as the ifelse py example for exampleif you attempt to provide value that' outside the requested rangeyou see an error message the error message is tailored for either the first or second input value so that the user knows which value was incorrect providing specific error messages is always useful because users tend to become confused and frustrated otherwise in additiona specific error message helps you find errors in your application much faster combining other types of decisions it' possible to use any combination of ifif elseand if elif statements to produce desired outcome you can nest the code blocks as many levels deep as needed to perform the required checks for examplelisting - shows what you might accomplish for breakfast menu this example also appears with the downloadable source code as multipleifelif py