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

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

Some functions return values; others don't. What is the difference, and when do you use each type?

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.”

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.

When an array has its elements in sorted order, a binary search is a very efficient way to find elements in the array.

Join this channel to get access to perks: https://www.youtube.com/channel/UC4C_tfy6WLDxzVVO3y6YinA/join This is my ...

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

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

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 ...

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

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

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 ...

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 ...

Nesting if/else statements to test multiple conditions -- and a convenient shortcut for writing such statements.

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

Learn how to get user input and use it in variables in your program.

Learn how to determine the runtime class of an object so you can cast it to the orrect data type.