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→PART 1 - Providing Functions With Arguments
:::*The operate() function should accept '''three arguments'''
:::*The operate() function should '''return''' the result
:::*The operate() function should '''return''' an error message if the operation is unknown<br> '''FYI:''' Use single quotes to return a string value. You should be able to use double quotes within the message as shown in the sample runs.
:::*The script should contain show the exact output as the sample imports
:::*The script should contain no errors
