【python】利用traceback输出详细报错信息

import traceback

try:
    a=int('asdf')
except Exception as e:
    print(traceback.format_exc())

输出：

Traceback (most recent call last):
  File "D:/t1.py", line 4, in <module>
    a=int('asdf')
ValueError: invalid literal for int() with base 10: 'asdf'