error and except

import logging

logging.basicConfig(filename="std.log",
format='%(asctime)s %(message)s',
filemode='w')
logger=logging.getLogger()
logger.setLevel(logging.INFO)

try:
    x+1
except Exception as e:
    print(e)
    logger.info(e)

--> name 'x' is not defined

try:
    10/ 0
except Exception as e:
    print(e)
   
-->  division by zero

try:
    while True print('Hello world')
except Exception as e:
    print(e)
    logger.info(e)

-->   File "<ipython-input-36-3d08f684f115>", line 2
    while True print('Hello world')
                   ^
SyntaxError: invalid syntax

SyntaxError不会触发except

参考：
[1] https://docs.python.org/3/tutorial/errors.html