擅长:python、mysql、java
<p>如果希望函数实际与其docstring相对应,请使用:</p>
<pre><code>def open_grades_file(filename):
'''(str) -> file
Open filename, read past its one-line header and
return the open file.
'''
file = open(filename, 'r')
file.readline()
return file
</code></pre>
<p>但这是一件非常奇怪的事情,像这样的函数会更像Python:</p>
^{pr2}$