擅长:python、mysql、java
<p>试试这个</p>
<pre><code>def lineIndex(fName):
dic = {}
i=0
with open(fName, 'r') as f:
while True:
x=f.readline()
if not x:
break
i+=1
for j in x:
if j in dic:
dic[j].add(i)
else:
dic[j]=set()
dic[j].add(i)
print (dic)
print (lineIndex("index.txt"))
</code></pre>