yield from

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#coding:utf-8def g1(x):    yield range(x)def g2(x):    yield from range(x)it1 = g1(5)it2 = g2(5)print([x for x in it1])print([x for x in it2])
E:\Anaconda3\python.exe F:/py_project/test_del.py[range(0, 5)][0, 1, 2, 3, 4]Process finished with exit code 0
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