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

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

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In a preceding video, we had duplicated code to read the user input outside the loop and inside the loop. To avoid duplicated ...

In this video, I'm sharing my top pick for "the" book for mathematical statistics. This book is an essential resource for students and ...

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

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

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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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 ...

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

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

The for loop is a shorthand for a while loop; it specifies the initial loop variable, the continuation test, and the action after each ...

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