Python iterator MCQ: Creating an iterator from a dictionary.

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Level 1 : Creating an iterator from a dictionary.


class DictIterator:
    def __init__(self, data):
        self.data = list(data.items())
        self.index = 0

    def __iter__(self):
        return self

    def __next__(self):
        if self.index >= len(self.data):
            raise StopIteration
        key, value = self.data[self.index]
        self.index += 1
        return f"{key}: {value}"

it = iter(DictIterator({"a": 1, "b": 2}))
print(list(it))

Author: SandhyaR | Tags: iterator | 1736+ Python FAQs | Share