纯小白初学Python遇到的一些问题

生意兴隆

======================== RESTART: D:/pythonzuoye/365.py ========================
-------------我爱编程---------------
猜一下我心中的数字8
Traceback (most recent call last):
  File "D:/pythonzuoye/365.py", line 4, in <module>
    if guess==8:
NameError: name 'guess' is not defined