Create a revised version that uses a subroutine: ZZ_###_STUDENTLEVEL_SUB

INSTRUCTIONS TO CANDIDATES

ANSWER ALL QUESTIONS

Exercises

For the exercises below, use a subroutine to break up the code (modularize it).

Review the requirements of each subroutine:

The inputs

The returned value

The subroutine is to return value requested only.  It should not perform any other tasks.

In addition to modularizing the code, this will allow for code reuse.

1. Recall ZZ_###_STUDENTLEVEL that you created in a previous assignment:

User inputs how many units they have earned.

The program outputs their student level as follows:

0 – 30 units earned – Freshman

31 – 60 units earned – Sophomore

61 – 90 unites earned – Junior

> 90 – Senior

 

If a negative number is entered, the program writes:

Invalid input.  Units earned must be a positive number.

 

Create a revised version that uses a subroutine: ZZ_###_STUDENTLEVEL_SUB

Your main program will call a subroutine that performs the following:

Input:  Number of Units

Output: Student Level.

 

NOTE:

Your subroutine is to return the student level only.

It does not perform any other tasks: data validation, output to user, etc.

Your main program is to treat the subroutine as a “black box”.

You provide the requested input (number of units) and it returns the student level.

 

 

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