Level 6 : Custom range implementation. 


class CustomRange:
    def __init__(self, start, end, step=1):
        self.current = start
        self.end = end
        self.step = step

    def __iter__(self):
        return self

    def __next__(self):
        if self.current >= self.end:
            raise StopIteration
        value = self.current
        self.current += self.step
        return value

it = iter(CustomRange(2, 10, 2))
print(list(it))
Author: SandhyaR | Tags: iterator | 1859+ Python FAQs | Share
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