現(xiàn)在，我有一個(gè)函數(shù)來替換countChars函數(shù)def countWords(lines):

wordDict = {}

for line in lines:

wordList = lines.split()

for word in wordList:

if word in wordDict: wordDict[word] += 1

else: wordDict[word] = 1

return wordDict

但當(dāng)我運(yùn)行這個(gè)程序時(shí)，它會吐出這種討厭的東西（這只是一個(gè)例子，大約有兩頁文字旁邊有大量的數(shù)字）before 1478

battle-field 1478

as 1478

any 1478

altogether 1478

all 1478

ago 1478

advanced. 1478

add 1478

above 1478

雖然很明顯這意味著代碼足夠運(yùn)行，但我沒有得到我想要的。

它需要打印文件中每個(gè)單詞的次數(shù)（gb.txt，這是葛底斯堡地址）

很明顯文件中的每個(gè)單詞都不在1478次。。

我對編程很陌生，所以我有點(diǎn)困惑。。from __future__ import division

inputFileName = 'gb.txt'

def readfile(fname):

f = open(fname, 'r')

s = f.read()

f.close()

return s.lower()

def countChars(t):

charDict = {}

for char in t:

if char in charDict: charDict[char] += 1

else: charDict[char] = 1

return charDict

def findMostCommon(charDict):

mostFreq = ''

mostFreqCount = 0

for k in charDict:

if charDict[k] > mostFreqCount:

mostFreqCount = charDict[k]

mostFreq = k

return mostFreq

def printCounts(charDict):

for k in charDict:

#First, handle some chars that don't show up very well when they print

if k == '\n': print '\\n', charDict[k] #newline

elif k == ' ': print 'space', charDict[k]

elif k == '\t': print '\\t', charDict[k] #tab

else: print k, charDict[k] #Normal character - print it with its count

def printAlphabetically(charDict):

keyList = charDict.keys()

keyList.sort()

for k in keyList:

#First, handle some chars that don't show up very well when they print

if k == '\n': print '\\n', charDict[k] #newline

elif k == ' ': print 'space', charDict[k]

elif k == '\t': print '\\t', charDict[k] #tab

else: print k, charDict[k] #Normal character - print it with its count

def printByFreq(charDict):

aList = []

for k in charDict:

aList.append([charDict[k], k])

aList.sort() #Sort into ascending order

aList.reverse() #Put in descending order

for item in aList:

#First, handle some chars that don't show up very well when they print

if item[1] == '\n': print '\\n', item[0] #newline

elif item[1] == ' ': print 'space', item[0]

elif item[1] == '\t': print '\\t', item[0] #tab

else: print item[1], item[0] #Normal character - print it with its count

def main():

text = readfile(inputFileName)

charCounts = countChars(text)

mostCommon = findMostCommon(charCounts)

#print mostCommon + ':', charCounts[mostCommon]

#printCounts(charCounts)

#printAlphabetically(charCounts)

printByFreq(charCounts)

main()

總結(jié)

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