Python – Loop Sets
1. What Does “Loop Sets” Mean?
Looping a set means going through each item one by one.
Remember:
👉 Sets are unordered
👉 You will not get items in fixed order
2. Loop Through Set Using for
This is the most common and easiest way.
Example
Output order may change.
3. Loop and Do Something with Items
Example
4. Loop with Condition
Example
5. Loop Using while (Not Recommended)
Sets do not support index, so while is not useful directly.
❌ Wrong
6. Loop After Converting Set to List
Example
👉 Order is still not guaranteed.
7. Loop with Membership Check
Example
8. Common Beginner Mistakes
❌ Expecting Fixed Order
Order may change each time.
❌ Trying to Modify Set During Loop
❌ Error.
✔ Correct:
9. Simple Practice Examples
Example 1: Print All Items
Example 2: Count Items
Example 3: Print Even Numbers
10. Summary (Loop Sets)
✔ Use for loop
✔ Sets have no index
✔ Order is not fixed
✔ Convert to list if needed
✔ Useful for unique data
📘 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
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Set Exercises
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Dictionaries (easy)
Just tell me 😊
