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Okay, here's my solution to the 3rd substitution.
We've got our new string that takes these name substitution variables,
and this time, it uses our function parameters and substitutes those into the string.
Let's make sure this works.
I run this with a couple things and it says, I'm maverick.
My real name is steve, but my friends call me maverick. Cool.
Now as you can see, this one is more complex,
and it's starting to resemble something that might be useful to us.
Of course, this whole string got cut off a little bit, but it's over here on the edge.
Alright. Okay, let's talk about how to use this in practice now.