1 >>> brand=["李宁",‘耐克‘,‘阿迪达斯‘,‘鱼C‘]
2 >>> slogan=[‘一切皆有可能‘,‘Just do it‘,‘Impossible is nothing‘,‘让编程改变世界‘]
3 >>> print("鱼C的口号是:",slogan[brand.index(‘鱼C‘)])
4 鱼C的口号是: 让编程改变世界

1 >>> dict1={"李宁":"一切皆有可能",‘耐克‘:"Just do it",‘阿迪达斯‘:‘Impossible is nothing‘}
2 >>> print(dict1[‘李宁‘])
3 一切皆有可能
4 >>> print(dict1["李宁"])
5 一切皆有可能

1 >>> # dict只能传入一个参数 .
2 >>> dict1=dict(((‘F‘,70),[‘i‘,105]))
3 >>> dict1
4 {‘F‘: 70, ‘i‘: 105}

 1 >>> # dict只能传入一个参数 .
 2 >>> dict1=dict(((‘F‘,70),[‘i‘,105]))
 3 >>> dict1
 4 {‘F‘: 70, ‘i‘: 105}
 5 >>> dict1[‘F‘]=10000
 6 >>> dict1
 7 {‘F‘: 10000, ‘i‘: 105}
 8 >>> dict1["QQ"]="钱"
 9 >>> dict1
10 {‘F‘: 10000, ‘i‘: 105, ‘QQ‘: ‘钱‘}

1 >>> dict1.fromkeys((1,2,3))
2 {1: None, 2: None, 3: None}
3 >>> dict1.fromkeys((1,2,3),‘num‘)
4 {1: ‘num‘, 2: ‘num‘, 3: ‘num‘}

1 >>> dict1=dict1.fromkeys(range(1,9),‘赞‘)
2 Traceback (most recent call last):
3   File "<pyshell#0>", line 1, in <module>
4     dict1=dict1.fromkeys(range(1,9),‘赞‘)
5 NameError: name ‘dict1‘ is not defined
6 >>> dict1={}
7 >>> dict1=dict1.fromkeys(range(1,9),‘赞‘)
8 >>> dict1
9 {1: ‘赞‘, 2: ‘赞‘, 3: ‘赞‘, 4: ‘赞‘, 5: ‘赞‘, 6: ‘赞‘, 7: ‘赞‘, 8: ‘赞‘}

 1 >>> for i in dict1.items():
 2         i
 3 
 4     
 5 (1, ‘赞‘)
 6 (2, ‘赞‘)
 7 (3, ‘赞‘)
 8 (4, ‘赞‘)
 9 (5, ‘赞‘)
10 (6, ‘赞‘)
11 (7, ‘赞‘)
12 (8, ‘赞‘)

 1 >>> for i in dict1.values():
 2         i
 3 
 4     
 5 ‘赞‘
 6 ‘赞‘
 7 ‘赞‘
 8 ‘赞‘
 9 ‘赞‘
10 ‘赞‘
11 ‘赞‘
12 ‘赞‘

 1 >>> a={1:‘one‘,2:‘two‘}
 2 >>> b=a.copy()
 3 >>> c=a
 4 >>> id(a)
 5 48682848
 6 >>> id(b)
 7 48854120
 8 >>> id(c)
 9 48682848
10 >>> # 由此可见 浅拷贝是 将内容放到另一块的储存区域中

 1 >>> a={1:‘one‘,2:‘two‘}
 2 >>> b={3:‘three‘,4:‘four‘}
 3 >>> a=a+b
 4 Traceback (most recent call last):
 5   File "<pyshell#2>", line 1, in <module>
 6     a=a+b
 7 TypeError: unsupported operand type(s) for +: ‘dict‘ and ‘dict‘
 8 >>> a.update(b)
 9 >>> a
10 {1: ‘one‘, 2: ‘two‘, 3: ‘three‘, 4: ‘four‘}
11 >>> b.update(a)
12 >>> b
13 {1: ‘one‘, 2: ‘two‘, 3: ‘three‘, 4: ‘four‘}