没有说明符的期望与其他之间的区别？

Question

在 Python 的 try、except 块中，如果我可以只使用不带说明符的 except:，为什么 else 需要存在？

Answer 1

看来您对 try、except、else 和 finally 的理解有误。

以下是关于它们如何协同工作的总结，来自 https://docs.python.org/2/tutorial/errors.html:

try:
    #Try something that might raise an exception
except <exception specifier>:
    #Code here will only run if the exception that came up was the one specified
except:
    #Except clause without specifier will catch all exceptions
else:
    #Executed if try clause doesn't raise exception
    #You can only have this else here if you also have except blocks
finally:
    #Runs no matter what