python列表去重的要领:
1、用轮回查找的体式格局
li = [1,2,3,3,4,2,3,4,5,6,1] news_li = [] for i in li: if i not in news_li: news_li.append(i) print (news_li)
输出:
[1, 2, 3, 4, 5, 6]
2、用鸠合的特征set()
li = [1,4,3,3,4,2,3,4,5,6,1] new_li = list(set(li)) print (new_li)
输出:
[1, 2, 3, 4, 5, 6]
3、运用itertools模块的grouby要领
import itertools li = [1,4,3,3,4,2,3,4,5,6,1] li.sort() #排序 it = itertools.groupby(li) for k, g in it: print (k)
输出:
1 2 3 4 5 6
4、运用keys()体式格局
li = [1,0,3,7,7,5] formatli = list({}.fromkeys(li).keys()) print (formatli)
输出:
[1, 0, 3, 7, 5]
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