由于此地板涉嫌违规，因此它将折叠在系统中以隐藏此地板并显示此地板
对不起
跟踪后退(mostrecentcalllast ) :
file ' d :pythonpractice2 my dbconn.py '，line 5，in
conn=pymysql.connect (user=' testuser '，passwd='testpasswd '，host='192.168.1.3 '，db='test，charrt
file ' c :userstestuserappdatalocalprogramspythonpython 35-32libsite-packagespy my
file ' c :userstestuserappdatalocalprogramspythonpython 35-32libsite-packagespy my
file ' c :userstestuserappdatalocalprogramspythonpython 35-32libsite-packagespy my
file ' c :userstestuserappdatalocalprogramspythonpython 35-32libsite-packagespy my
file ' c :userstestuserappdatalocalprogramspythonpython 35-32libsite-packagespy my
file ' c :userstestuserappdatalocalprogramspythonpython 35-32libsite-packagespy my
KeyError: 224