PUMC = ".,?!()[]:;"
def readIntoSet(filename):
wordSet = set()
inputFile = open(filename,"r")
for line in inputFile:
line = line.strip()
parts = line.strip()
for word in parts:
word = word.strip()
word = word.strip(PUMC)
if len(word) > 0:
wordSet.add(word.lower())
inputFile.close()
return wordSet
这段代码怎么改比较合适