<p>我有一个包含许多单词的文本文件(每行一个单词)。我必须读入每个单词,修改单词,然后检查修改后的单词是否与文件中的任何单词匹配。我在最后一部分遇到了问题(这是我代码中的hasMatch方法)。这听起来很简单,我知道我应该做什么,但无论我尝试什么都行不通。你知道吗</p>
<pre><code>#read in textfile
myFile = open('good_words.txt')
#function to remove first and last character in string, and reverse string
def modifyString(str):
rmFirstLast = str[1:len(str)-2] #slicing first and last char
reverseStr = rmFirstLast[::-1] #reverse string
return reverseStr
#go through list of words to determine if any string match modified string
def hasMatch(modifiedStr):
for line in myFile:
if line == modifiedStr:
print(modifiedStr + " found")
else:
print(modifiedStr + "not found")
for line in myFile:
word = str(line) #save string in line to a variable
#only modify strings that are greater than length 3
if len(word) >= 4:
#global modifiedStr #make variable global
modifiedStr = modifyString(word) #do string modification
hasMatch(modifiedStr)
myFile.close()
</code></pre>