标签：val type span open def __enter__ python 打印 null
原文 ： https://cloud.tencent.com/developer/ask/188486
import os, sys class HiddenPrints: def __enter__(self): self._original_stdout = sys.stdout sys.stdout = open(os.devnull, ‘w‘) def __exit__(self, exc_type, exc_val, exc_tb): sys.stdout.close() sys.stdout = self._original_stdout
标签：val type span open def __enter__ python 打印 null
原文地址：https://www.cnblogs.com/cupleo/p/11873664.html
