It is only necessary to return a value from a function when you want to get the value out of the function and use it somewhere else. Otherwise you may use print or cat to print out a message of some kind. However, DO NOT use print as a substitute for return. If you are intending to return a value, then return it. Don't print it and accidentally return it as well, which is a side-effect of using print at the end of a function.
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