Module 5: Lists in Python
Indexing Lists
List indexing works just like strings: position 0 is the first item. Negative indexes count from the end.
About 8 minutes
Example code
colors = ["red", "green", "blue", "yellow"] print(colors[0]) # red print(colors[2]) # blue print(colors[-1]) # yellow (last)
red
[0]
↓
green
[1]
↓
blue
[2]
↓
yellow
[3]
Practice
From cities list, print first city, third city, and last city.
Key takeaways
- First item is index 0.
- Use list[i] to access one item.
- -1 is the last item.
Quick check: Indexing Lists
Question 1 of 2
What is ["x","y","z"][0]?