python 如何try 多次

Question

try：
dosometing
except：
os._exit(0)比如执行dosometing时有错误，我想再试两次，如果两次执行还是有错误，那就os._exit(0)退出

Answer 1

importosattempts=0success=Falsewhileattempts<3andnotsuccess:try: dosomething success=Trueexcept: attempts+=1 ifattempts==3: os._exit(0)

Answer 2

呃，这样？defretry_do(func,retry=None):try：func()except：ifretry:retry()else:os._exit(0)defdo_sth():#dosomethingretry_do(do_sth,retry_do(do_sth,retry_do(do_sth)))