character=getch means?????

your quote is not right

character=getch() -- notice that getch() is a function call It retrieves a single character from your computer's keyboard buffer.

character=getch means?????

It means you need to realize that this isn't Twitter. You don't have a 140 character limit, so please engage your brain and try to communicate like an intelligent human being. You'll get much better answers if you ask comprehensible questions.

kthxbye.

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