Python Tutorials · Python Lists

Change List Items

Learn all about Change List Items in this comprehensive tutorial.

5 min read beginner
  • To change the value of a specific item, refer to the index number:
  • To change the value of items within a specific range, define a list with the new values, and refer to the range of index numbers where you want to insert the new values:
  • To insert a new list item, without replacing any of the existing values, we can use the insert() method.

Change Item Value

To change the value of a specific item, refer to the index number:

python

Change a Range of Item Values

To change the value of items within a specific range, define a list with the new values, and refer to the range of index numbers where you want to insert the new values:

python

If you insert more items than you replace, the new items will be inserted where you specified, and the remaining items will move accordingly:

python
Note: Note: The length of the list will change when the number of items inserted does not match the number of items replaced.

If you insert less items than you replace, the new items will be inserted where you specified, and the remaining items will move accordingly:

python

Insert Items

To insert a new list item, without replacing any of the existing values, we can use the insert() method.

The insert() method inserts an item at the specified index:

python
Note: Note: As a result of the example above, the list will now contain 4 items.

Module quiz

2 questions
1

Which of the following is true about Change List Items?

2

What is the most common pitfall when working with Change List Items?

Answer all questions to submit.