39 lines
767 B
Python
39 lines
767 B
Python
from contextlib import contextmanager
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@contextmanager
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def my_context_manager():
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print("begin")
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yield "middle"
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print("end")
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with my_context_manager() as f:
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print(f)
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# from typing import Iterator
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# # deeply_nested = [[[1, 2, 3], [4, 5]], [[6, 7], [8, 9]]]
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# # def flatten(deeply_nested: list) -> Iterator[int]:
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# # for a in deeply_nested:
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# # for b in a:
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# # for c in b:
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# # yield c
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# # print("here")
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# # for inner in flatten(deeply_nested):
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# # print(inner)
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# def infinite(private_key):
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# while True:
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# yield from private_key
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# for private_key_char, plaintext_char in zip(infinite("hello"), "my plaintext"):
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# print("combine", private_key_char, plaintext_char)
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