Last time, we learned how functions can receive information through parameters. But what if we want a function to give information back to us after it's done working?
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Imagine asking a calculator to add numbers - wouldn't you want the answer back?
Functions can return values using the return keyword. When a function returns something, it sends that value back to wherever the function was called from.
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What do you think this function gives back?
To capture what a function returns, we assign the function call to a variable. The returned value gets stored in that variable for us to use later.
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See how we "caught" the returned value?
Not all functions need to return values. Functions that just print messages or perform actions without giving back data don't need return statements.
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Can you spot the difference in how these might be used?
Here's a practical example. This function calculates if someone gets a discount:
