python 第10日 except异常

Posted 2021-02-03 周sir搞人工

except 多分支

try:
    a =1
    # raise Exception
except ValueError as e:
    print(e)
except Exception as e:
    print(e)
else:
    print("try正常就执行我")
finally:
    print("无论成功与否都执行我")