擅长:python、mysql、java
<p>下面是另一个选项,使用正则表达式:</p>
<pre><code>import re
regex = re.compile('\s*(\d\d):(\d\d)\s+(\d\d):(\d\d)\s*')
natimes = []
for line in sys.stdin.readline():
m = regex.match(line)
if m:
natimes.append((int(m.group(1))*60 + int(m.group(2)),
int(m.group(3))*60 + int(m.group(4))))
</code></pre>