擅长:python、mysql、java
<pre><code>with open(r'program.txt','r') as target:
lines = target.readlines()
newfllines = []
for line in lines:
if line[0].lower() == 'a':
newfllines.append(line)
print(lines)
target.seek(0)
a = target.read()
print(a)
print(newfllines)
</code></pre>
<p>输出</p>
<pre><code>['ciao\n', 'come\n', 'stai\n', 'a\n', 'a\n', 'a']
ciao
come
stai
a
a
a
['a\n', 'a\n', 'a']
</code></pre>