On the study of dictionaries

>>> d={}
>>> d[' name ']={' FirstName ': ' Xian ', ' LastName ': ' Jiaqi '} #添加一个值
>>> D
{' name ': {' LastName ': ' Jiaqi ', ' FirstName ': ' Xian '}}
>>> d[' Aihao ']=[' skite ', ' Football ', ' Pingpang ',]
>>> D
{' name ': {' LastName ': ' Jiaqi ', ' FirstName ': ' Xian '}, ' Aihao ': [' skite ', ' Football ', ' Pingpang ']}
>>> d[' age ']=5
>>> D
{' Age ': 5, ' name ': {' LastName ': ' Jiaqi ', ' FirstName ': ' Xian '}, ' Aihao ': [' skite ', ' Football ', ' Pingpang ']}
>>> d[' age ']+=1
>>> D
{' Age ': 6, ' name ': {' LastName ': ' Jiaqi ', ' FirstName ': ' Xian '}, ' Aihao ': [' skite ', ' Football ', ' Pingpang ']}
>>> d[' name ' [' LastName ']
' Jiaqi '
>>> d[' Aihao '][2]
' Pingpang '
>>> d[' Aihao '].append (' play ') #aihao的内容为list则可钓鱼list的方法
>>> d[' Aihao ']
[' Skite ', ' Football ', ' Pingpang ', ' play ']
>>> a={' name ': {' FirstName ': ' Xian ', ' LastName ': ' Jiaqi '}, ' Aihao ': [' skite ', ' Football ', ' Pingpang '], ' age ': 24 }
>>> A
{' Age ': +, ' name ': {' LastName ': ' Jiaqi ', ' FirstName ': ' Xian '}, ' Aihao ': [' skite ', ' Football ', ' Pingpang ']}
>>>

#对字典排序

a={' C ': 3, ' B ': 2, ' A ': 1}

>>> for key in Sorted (a):

Print (Key,a[key])

A 1

B 2

C 3

On the study of dictionaries