擅长：python、mysql、java
<p>您可以使用一种基本策略，读取每一行，然后对其进行过滤</p>
<pre class="lang-py prettyprint-override"><code>output = []
with open('info.txt', 'r') as f:
for line in f.readlines():
h = int(line.split(':')[0]) # Get the hour
if 7 <= h <= 19: # Check if the hour is in range
output.append(line)
</code></pre>
