meaning - "Add number between x … y"


I’m working on a problem for a programming class that states the following:



Write a for loop in the space below which will add the numbers between 1 and 20.



To me this means the question is looking for the total sum of all the individual numbers from 1 up to 20 (1 + 2 + 3 + 4 + 5 + … + 20).


Is my understanding correct?
Are there any other ways to word this?




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