如何删除list中重复的dict

ncist2011

例如
a = [{'name':zhang, 'age':18}, {'name':zhang, 'age':18}, {'name':li, 'age':18}]
前两个重复了，如何删除一个

huangxiaohen

1. from itertools import *
   
2. 
   
3. l = [{'name':zhang, 'age':18}, {'name':zhang, 'age':18}, {'name':li, 'age':18}]
   
4. for d1, d2 in combinations(l, 2):
   
5.     a = list(set(d1.items())^set(d2.items()))
   
6.     if len(a) == 0:
   
7.         i = l.index(d1)
   
8.         l.pop(i)

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tomer

楼主是不是应该写成
a = [{'name':‘zhang’, 'age':18}, {'name':‘zhang’, 'age':18}, {'name':‘li’, 'age':18}]

tomer

1. 
   
2. a = [{'name':'zhang', 'age':18}, {'name':'zhang', 'age':18}, {'name':'li', 'age':18},{'name':'zhang', 'age':18}]
   
3. for i in range(0,len(a)-1):
   
4.     for j in range(1,len(a)-1):
   
5.         if a[i]==a[j]:
   
6.             a.pop(j)
   
7. print(a)
   

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whitelotus19

1. #!/usr/bin/env python
   
2. # -*- coding: utf-8 -*-
   
3. 
   
4. l = [{'name':'zhang', 'age':18}, {'name':'zhang', 'age':18}, {'name':'li', 'age':18}]
   
5. print [dict(t) for t in set([tuple(d.items()) for d in l])]
   

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从这里抄袭来的
http://stackoverflow.com/questions/9427163/remove-duplicate-dict-in-list-in-python

tomer

1. 
   
2. [root@VM ~]# more file.py
   
3. a = [{'name':'zhang', 'age':18}, {'name':'zhang', 'age':18}, {3},{'name':'li', 'age':18},{'name':'zhang', 'age':18},{3},{8}]
   
4. b=[]
   
5. j=0
   
6. for i in range(1,len(a)):
   
7.     if a[j]==a[i]:
   
8.        b.append(a[i])
   
9.        j=j+1
   
10. for key in b:
    
11.     a.remove(key)
    
12. print(a)
    
13. [root@VM ~]# python file.py
    
14. [{'name': 'li', 'age': 18}, {'name': 'zhang', 'age': 18}, {3}, {8}]
    
15. 
    

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whitelotus19

1. >>> b=[{3},{8}]
   
2. >>> b
   
3. [{3}, {8}]
   
4. >>> for i in b:print(type(i))
   
5. 
   
6. <class 'set'>
   
7. <class 'set'>
   
8. >>> c={3}
   
9. >>> c
   
10. {3}
    
11. >>> type(c)
    
12. <class 'set'>
    
13. >>> d=[{'name':'zhang','age':18},{3},{8}]
    
14. >>> d
    
15. [{'name': 'zhang', 'age': 18}, {3}, {8}]
    
16. >>> type(d)
    
17. <class 'list'>
    
18. >>> for i in d:print(type(i))
    
19. 
    
20. <class 'dict'>
    
21. <class 'set'>
    
22. <class 'set'>
    
23. >>>

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llei623

a = [{'name':'zhang', 'age':18}, {'name':'zhang', 'age':18}, {'name':'li', 'age':18}]
list=[]
[list.append(x) for x in a if x not in list]
print(list)

kyrie_liu

def delRepElem(List):
    if List:
        List.sort()
    Last = List[-1]
    for i in range(len(List)-2,-1,-1):
        if Last == List [ i ]:
            del List [ i ]
        else:
            Last = List [ i ]
    return List