Exercise 3

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• Create a 'calculator' application that accepts two numbers 'a' and 'b' and an 'operation' that can be either 'add' or 'multiply'.
• Return the appropirate result.
• Create it on you computer in two files. A main web serving file and a module with two functions 'add' and 'multiply'

• On your local computer create a directory for a project.
• In the directory create a file called 'lambda_function.py' this will hold the main function.
• Create also a file called 'mymodule.py'.
• Upload the whole thing using zip.