1.尝试执行以下代码，并解释错误原因：

class C:def myFun():print('Hello!')c = C()c.myFun()

Traceback (most recent call last):File "C:\Users\noone\Desktop\111.py", line 1, in <module>class C:File "C:\Users\noone\Desktop\111.py", line 4, in Cc = C()
NameError: name 'C' is not defined

报错原因：myFun()少了个self，而且把c=C()和c.myFun()写进了类中，改为：

class C:def myFun(self):print('Hello!')
c = C()
c.myFun()

2.按照以下要求定义一个游乐园门票的类，并尝试计算2个成人+1个小孩平日票价。

要求:

平日票价100元
周末票价为平日的120%
儿童票半价

class Ticket():def __init__(self, man, child, week):if not isinstance(man, int) and not isinstance(child, int):raise TypeError('type must be int')if man < 0 and child < 0 and week not in ['weekday', 'weekend']:raise ValueError('value wrong')self._man_num = manself._child_num = childself._week = weekdef get_price(self):if self._week == 'weekday':return 100 * self._man_num + 50 * self._child_numelse:return 120 * self._man_num + 60 * self._child_numticket = Ticket(2, 1, 'weekday')
ticket.get_price()

250