implement context manager for socket.socket#403

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withwind8 wants to merge 1 commit intogabrielfalcao:mainfrom

withwind8:add-context-manager-to-socket

Commits on Jun 1, 2020

implement context manager as per https://github.com/python/cpython/blob/master/Lib/socket.py#L236:L241

Li Qing
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Li Qing
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