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Aha!

How is it pronounced in speaking: C pound?
C poundsign?

Salem,

That worked!
However, I did not mention that I was supposed to make a copy of the sentence, not remove the blanks from the original.

Here is my modified code, which does work, although...

I am unclear on how to get string functions to talk to the main program. What I am trying to do is take a sentence, then return it with all blanks removed. Has to be done within a function.
Where...