擅长:python、mysql、java
<p>使用<code>os.path.split</code>是正确的,而且还需要<a href="https://docs.python.org/2/library/os.path.html#os.path.dirname" rel="nofollow">^{<cd2>}</a>。怎么样:</p>
<pre><code>var = "C:\\Users\\Me\\level1\\level2\\level3\\level4\\level5\\level6\\level7\\level8\\test_one.txt"
base_path, filename = os.path.split(var)
# Sort the underscore out
new_filename = filename.replace('_', '')
# Go one level up from base_path
new_base_path = os.path.dirname(base_path)
output = os.path.join(new_base_path, new_filename)
print(output)
</code></pre>