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def fib(max): n, a, b = 0, 0, 1 while n < max: yield b a, b = b, a + b n = n + 1 return 'done'
gene = fib(6) print(type(gene)) print(next(gene)) print(next(gene)) print(next(gene)) print(next(gene)) print(next(gene)) print(next(gene))
gene2 = fib(6)
for n in gene2: print(n)
from collections.abc import Iterable, Iterator print(isinstance([], Iterable)) print(isinstance({}, Iterable)) print(isinstance('abc', Iterable)) print(isinstance((x for x in range(10)), Iterable)) print(isinstance(100, Iterable))
print(isinstance([], Iterator)) print(isinstance(iter([]), Iterator))
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