擅长:python、mysql、java
<p>请尝试以下操作:</p>
<pre><code>inFileName = input("Enter the file name with people's names: ")
outFileName = input("Enter the file name to write user names to: ")
inFile = open(inFileName, "r")
outFile = open(outFileName, "w")
for line in inFile:
names = line.split(",")
for name in names:
userName = name.split()[1].lower()[:8]
print(userName, file=outFile)
inFile.close()
outFile.close()
</code></pre>