面向对象

 1 def dog(name, gender, type):
 2     def jiao(name):
 3         print(‘一条叫【%s】的狗，汪汪汪‘)
 4 
 5     def chi(name):
 6         print(‘一条叫[%s]的狗，在吃东西‘)
 7 
 8     def init(name, gender, type):
 9         dic = {
10             ‘name‘: name,
11             ‘gender‘: gender,
12             ‘type‘: type,
13             ‘jiao‘: jiao,
14             ‘chi‘: chi,
15         }
16         return dic
17 
18     return init(name, gender, type)
19 
20 
21 d1 = dog(‘于梦‘, ‘母‘, ‘哈士奇‘)
22 d1[‘jiao‘](d1)
23 输出：
24 一条叫【%s】的狗，汪汪汪

 1 class Chinese:
 2     dang = ‘是吗‘
 3 
 4     def sui_tan():
 5         print(‘随地吐痰‘)
 6 
 7     def chadui(self):
 8         print(‘插队到前面‘)
 9 
10 
11 print(Chinese.dang)
12 Chinese.sui_tan()
13 print(dir(Chinese))
14 print(Chinese.__dict__)  # 查看类的属性字典
15 Chinese.__dict__[‘sui_tan‘]()
16 print(Chinese.__name__)   # 类的名字（字符串）
17 print(Chinese.__doc__)   # 类的文档字符串
18 print(Chinese.__bases__)  # 祖先
19 print(Chinese.__module__)  # 显示所在哪个模块
20 print(Chinese.__class__)  # 实例对应的类
21 print(Chinese.__dict__)   # 类的属性
22 输出：
23 Chinese
24 None
25 (<class ‘object‘>,)
26 __main__
27 <class ‘type‘>
28 {‘__module__‘: ‘__main__‘, ‘dang‘: ‘共是‘, ‘sui_tan‘: <function Chinese.sui_tan at 0x009EE268>, ‘chadui‘: <function Chinese.chadui at 0x009EE220>, ‘__dict__‘: <attribute ‘__dict__‘ of ‘Chinese‘ objects>, ‘__weakref__‘: <attribute ‘__weakref__‘ of ‘Chinese‘ objects>, ‘__doc__‘: None}