I didn't understand the question

#1

can you elaborate the question

#2

We have a program which is like a simple calculator, ie. it performs the all the tasks of a calculator.

It takes an input and we have 3 possible cases-

  1. If input character is any operator ie ‘+’, ‘-’, ‘*’, ‘/’ or ‘%’, then we need to take 2 numbers inputs and perform the operation on them and display the result.

  2. If input character is ‘x’ or ‘X’ we need to terminate the program. (We need to keep taking inputs until this case is encountered).

  3. If input character is any other character then we need to display the message. 'Invalid operation. Try again.'

#3

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#4

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