获取异常 try except

try:
    b=4/0
except ZeroDivisionError:
    print("获取 ZeroDivisionError ")
'''
获取 ZeroDivisionError 
'''

 

try:
    b=4/0
except ZeroDivisionError as e:# 获取更详细的信息
    print('获取 ZeroDivisionError ',e)
'''
获取 ZeroDivisionError  division by zero
'''

 

import traceback
try:
    ohmy
except :# 获取调用栈的信息
    print('handle unkown exception\n '+traceback.format_exc())
'''
handle unkown exception
 Traceback (most recent call last):
  File "D:\pythonProject\venv\c2.py", line 3, in <module>
    ohmy
NameError: name 'ohmy' is not defined
'''

try:
    ohmy
except Exception as e:# 获取调用栈的信息
    print('handle unkown exception: ',e)
finally:#忽略错误依旧执行
    print('in finally')
'''
handle unkown exception:  name 'ohmy' is not defined
in finally
'''