18 lines
557 B
Python
18 lines
557 B
Python
contacts = {
|
|
'name':'张三',
|
|
'sex':"男",
|
|
'salary':'8000'
|
|
}
|
|
contacts['age']='18' # 1添加或更新键值对
|
|
contacts['name']='李四' # 2添加或更新键值对
|
|
print(contacts)
|
|
print('-----------')
|
|
print('age' in contacts) # 3判断键是否存在字典里面
|
|
print('---------------')
|
|
del contacts['name'] # 4 删除键值对
|
|
print(contacts)
|
|
print('--------------')
|
|
print('len属性:',len(contacts)) # 5 len属性
|
|
print('keys:',contacts.keys()) # 6 keys
|
|
print('values:',contacts.values()) # 7 values
|
|
print('items:',contacts.items()) # 8 items |