<pre><code># 5.- match_ends
# Given a list of strings, return the count of the number of
# strings where the string length is 2 or more and the first
# and last chars of the string are the same.
# Note: python does not have a ++ operator, but += works.
# For example, the result of n = n + 1 can be also achieved by n += 1.
def match_ends(words):
# +++your code here+++
if len(words)>=2:
return words[0]and words[-1:]==words[-1:]
words+=words
</code></pre>
<p>你们认为我做错了什么?我该如何改进?在</p>
<p>结果如下:</p>
^{pr2}$