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Learn about local variables, which “belong” to a function, and global variables, which are available to all functions.

Why it is confusing to use the same variable name in the sending function and the receiving function. View an annotated PDF ...

Using function prototypes allows you to call functions before you have defined their function body.

Various forms of the print() function, including formatting output. Note: at 8:10 I say“I'll pass that on to the format function” -- the ...

Also: what is variable scope? Note: at 1:00, the narration should be “Is **a** in the current scope? No, it isn't.”

What makes a good variable name? Find out here!

Writing an algorithm that finds a value in an array by looking at each item in term from beginning to end.

Video lecture by Jill Jones Center for Computer Studies Magnet Program Carl Hayden High School.

Advanced Features of Functions Part 1 : Introduction and passing one function to another.

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Learn when to use -- and not to use -- exceptions.

So I have this new value of 2x squared minus 2x minus 12. So if I wanted to evaluate the product of a function at any particular ...

Using Python strings. Sorry about the really scratchy voice at the beginning. Oh well. Note: I often use the terms “word” and “letter” ...

You use an if statement to make decisions about whether to take an action or not. You use an if/else statement to decide whether ...

We're going to write a function that lowers the price of the book by a given percent. Because structures are passed by value, the ...

Find some gumption and learn some functions. We have used built-in functions all the time. Now let's see how we can write our ...

Learn how to declare, initialize, and iterate through arrays.

The substring() method lets you extract a section of a String; indexOf() lets you find where one String is contained within another ...

Keep It Simple Sea Cucumber I'm talking about foundations here: pattern matching as *The Feature* of Scala, case classes, the ...

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