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Iterators

Iterators provide a way to access elements of a collection sequentially without exposing the underlying structure

numbers = [1, 2, 3, 4, 5, 6]

iterator = iter(numbers)  # Lazy loading of the list
iterator

<list_iterator at 0x7f80ec343fd0>

print(next(iterator))
print(next(iterator))

1

2

numbers = [1, 2, 3, 4, 5, 6]
iterator = iter(numbers)
try:
    while True:
        print(next(iterator))
except StopIteration:
    print("Reached the end of the iterator.")

1

2

3

4

5

6

Reached the end of the iterator.