[Solved] Why does an iterator's __iter__ method usually return self instead of a new object? — Ans: To maintain the current iteration state within the same object | Python

Python - Magic Methods and Operator Overloading

Why does an iterator's __iter__ method usually return self instead of a new object?

ABecause __iter__ must always return a new instance

BTo create a fresh iterator each time iter() is called

CTo maintain the current iteration state within the same object

DTo reset the iteration counter automatically

Step-by-Step Solution

Solution:

Step 1: Understand iterator state
An iterator keeps track of its position internally. Returning self preserves this state.
Step 2: Analyze alternatives
Returning a new object would reset iteration, breaking expected behavior. __iter__ does not reset automatically.
Final Answer:
To maintain the current iteration state within the same object -> Option C
Quick Check:
__iter__ returns self to keep iteration state [OK]

Quick Trick: Return self in __iter__ to keep iteration state [OK]

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