Exercise: Dancer Calculator

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• Create a web application that has a form with 3 fields. Two text fields to accept two numbers and a drop-down list where the user can select one of the 4 basic math operations.
• When the user submits the for the server will calculate and display the results of the calculation.
• Also write tests that will verify the proper beahvior of the application

• You can create a solution using GET and a solution using POST. Just for fun.