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How to pass objects to a function and get objects returned back from functions.

Using recursive function calls in python. View an annotated PDF transcription of the video: ...

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Guidelines for giving your variables meaningful names.

Variables in Python are *references*. When you assign a list variable to another list variable, you get a copy of the reference, not ...

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You can do multiple initializations and iteration actions within a for loop. Here's how it works.

When you pass an object to a method, you are passing a copy of the *reference* to that object. That lets you update an object's ...

complexnumbers are made up of two parts; a #real part, and an #imaginary part. They are often used when it is necessary to ...

You can have multiple methods with the same name as long as the number and/or types of the parameters is different.

Primitives (int, double, etc.) have values stored in their memory locations. Objects have references to the memory where the data ...

Some decision structures require you to put if statements inside if statements. That's called a “nested if” statement.

In this video, I explain how messages are transmitted over electromagnetic waves by altering their properties—a process known ...

View all the objects in the workspace using ls(), remove objects using rm(), cast a variable as a different type using an as.[type]() ...

Find out the limits of using casting when working with polymorphism.

How to get something better than the name of a class and its memory reference when you print an object reference.

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The do/while loop is guaranteed to execute the loop body at least once.