异常处理

异常处理

money = 1000
num = input('plese enter a num:')
try:
    num = float(num)
    res = money/num
except Exception as e: #出现异常了，就走except下面的代码
# except ValueError,e: #python2
    print('出现异常了')
    print('你输入的价格不合法。。')
    print(e)
else:#没有出现异常
    money-=num
    print(num)
    print('你的余额是%s'%money)
finally:
    print('我是finally')

class QqGroup:
    cookie = {'cookie':'xx'}
    def get_all_gorup(self):
        return {'xxx':2342343,'xxx':2323}
    def save_mongo(self,data):
        pass
    def get_group_info(self,num):
        return {''}
    def down_pic(self,num):
        pass
    def main(self):#入
        pass