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A quick recap of functions, parameters, and arguments. Then a demo of how to debug a script in Thonny.

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 ...

The break statement lets you exit a loop from the middle; the continue statement takes you to the next iteration of a loop.

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.”

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

What makes a good variable name? Find out here!

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

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

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 ...

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

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 ...

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” ...

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 ...

When should you use braces around the body of an if/else? (Spoiler alert: always.)

A parent class variable can refer to a child class object. This is called polymorphism, and this video introduces the concept.

Learn about the +=, *=, (etc), ++ and -- operators.