Python – Change List Items
1. What Does “Change List Items” Mean?
Changing list items means updating or replacing values inside a list.
Good news 😊
Lists in Python are changeable (mutable).
2. Change a Single List Item
You can change a list item by using its index number.
Example
Output:
3. Change Multiple List Items (Using Slicing)
You can change more than one item at a time.
Example
Output:
4. Change Range with Different Size
You can replace items with more or fewer values.
Example (More Items)
Example (Fewer Items)
5. Change Last Item Using Negative Index
Example
6. Change Items Using Loop
You can also update items using a loop.
Example
Output:
7. Common Beginner Mistakes
❌ Index Out of Range
✔ Fix:
❌ Trying to Change Tuple (Not Allowed)
❌ Error because tuple cannot be changed.
8. Simple Practice Examples
Example 1: Change City Name
Example 2: Update Marks
Example 3: Replace Multiple Items
9. Summary (Change List Items)
✔ Lists are changeable
✔ Use index to change single item
✔ Use slicing to change many items
✔ Negative index works
✔ Be careful with index range
📘 Perfect for Beginner eBook
This chapter is ideal for:
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Python beginner books
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School & college students
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Self-learners
If you want next, I can write:
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Add List Items
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Remove List Items
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List Methods
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List Exercises
Just tell me 😊
