6. Stuck Together
In this problem, you’re asked to enter an APL expression (some APL code), including arguments (data given to APL symbols). Your code will be tested by the APL Challenge system to check whether it gives the correct answer and uses the methods described below.
You can join texts together by putting a , (Comma) between them. For example, 'CAR' , 'PET' gives 'CARPET'.
Write an expression that joins three stars ('***') in front of the text 'HI' and three stars after it. The result should look like ***HI***.