腳本不打印字數

Question

我有一個腳本找到ALIST字重複：

newm = [u'life', u'selection', u'squire', u'naturalist', u'patriarch', u'home', u'man', u'public', u'nbsp', u'born', u'naturalist', u'theory', u'selectionbecame', u'foundation', u'country', u'gentleman', u'suggesting', u'class', u'time', u'death', u'evolutionary', u'imagery', u'ofscience', u'literature'] 
print newm 

#count for list 
counts = defaultdict(int) 
print "uyti" 
for x in newm: 
    counts[x]+=1 

print counts 

這個程序甚至不打印「uyti」。什麼是錯誤？

Answer 1

from collections import defaultdict 
newm = [u'life', u'selection', u'squire', u'naturalist', u'patriarch', u'home', u'man', u'public', u'nbsp', u'born', u'naturalist', u'theory', u'selectionbecame', u'foundation', u'country', u'gentleman', u'suggesting', u'class', u'time', u'death', u'evolutionary', u'imagery', u'ofscience', u'literature',u'home'] 

#count for list 

counts = defaultdict(int) 

for x in newm: 
    counts[x]+=1 

print counts 

Answer 2

假設蟒蛇2.5+

from collections import defaultdict 

newm = [u'life', u'selection', u'squire', u'naturalist', u'patriarch', u'home', u'man', u'public', u'nbsp', u'born', u'naturalist', u'theory', u'selectionbecame', u'foundation', u'country', u'gentleman', u'suggesting', u'class', u'time', u'death', u'evolutionary', u'imagery', u'ofscience', u'literature'] 
print newm 

#count for list 
counts = defaultdict(int) 
print "uyti" 
for x in newm: 
    counts[x]+=1 

print counts 

將創建defaultdict，具有計數和鍵填充它，然後做你的打印（我假設只是調試/完整性檢查的東西......）

Answer 3

如果你想知道是哪些詞是重複的，還有一個更簡單的方法：

words = set(newm) 
dups = [(w, newm.count(w)) for w in words if newm.count(w) > 1] 
print dups 

這會給ÿ或[(u'home', 2), (u'naturalist', 2)]。要找出所有單詞的計數，只需從列表理解中刪除if語句即可。