Python – Remove Set Items
1. What Does βRemove Set Itemsβ Mean?
Removing set items means deleting values from a set.
Remember:
π A set has no order
π You cannot remove items using index
Python gives us easy methods to remove items.
2. Remove Item Using remove()
remove() deletes a specific item from the set.
Example
π If the item is not present, Python gives an error.
3. Remove Item Safely Using discard()
discard() removes an item without error, even if it is missing.
Example
β Best for beginners because it is safe.
4. Remove Random Item Using pop()
pop() removes and returns a random item.
Example
π You donβt know which item will be removed.
5. Remove All Items Using clear()
clear() removes all items from the set.
Example
Output:
6. Delete the Entire Set Using del
Example
π After this, nums does not exist.
7. Remove Items Using Loop (Condition Based)
Example
8. Common Beginner Mistakes
β Removing Non-Existing Item
β Error if 10 is not in set.
β Use:
β Using Index
β Error: sets have no index.
9. Simple Practice Examples
Example 1: Remove City
Example 2: Safe Remove
Example 3: Clear Set
10. Summary (Remove Set Items)
β remove() deletes item (error if missing)
β discard() deletes safely
β pop() removes random item
β clear() empties set
β No index-based removal
π 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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Join Sets
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Set Methods (full)
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Set Exercises
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Dictionaries (easy)
Just tell me π
