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Introduction
Displaying values
Variables
The print function
List basics
Summary
22. Summary

## Instruction

Great job!. It's time to wrap things up! Here are some things we learned:

• print() prints whatever is put inside its parentheses
• Variables are declared and assigned values using the equality (=) operator.
• Some basic variable types are: integers, floats, and strings. Strings are put inside single (' ') or double (" ") quotes.
• You can convert between variable types to string using str().
• Comments start with #.
• List definitions require comma-separated elements to be listed inside square brackets:
invited_guests = ['Mark', 'Hannah', 'Walter']
• List elements are accessed with square brackets. Indexing starts at 0.
invited_guests[0] #first element
invited_guests[0:2] #first and second element
invited_guests[1:] #all elements except for the first one

• To get the number of elements in a list, use the len() function:
len(list_name)

Alright, it's time for a short quiz!

## Exercise

Click to begin the quiz.