擅长:python、mysql、java
<p>如果你想写在文件中间使用</p>
<p><code>fileinput</code>模块。在</p>
<pre><code>import fileinput
for line in fileinput.input("C:\\Users\\Administrator\\Desktop\\new.txt",inplace=True):
print "something", #print("something", end ="") for python 3
</code></pre>
<p><code>remember whatever you print that will go in the file.So you have to read and print every line and modify whichever you want to replace.Also use</code>打印“asd”,<code>...the</code>,<code>at the end is important as It will prevent</code>打印<code>from putting a newline there.</code></p>