擅长:python、mysql、java
<pre><code>#list of random characters
from random import randint
a = list(chr(randint(0,100)) for x in xrange(100))
#look for this
lookfor = 'b'
for element in xrange(100):
if lookfor==a[element]:
print a[element],'on',element
#b on 33
#b on 34
</code></pre>
<p>是一种简单易读的方法。你能举一个例子吗?还有其他更好的方法:)。你知道吗</p>
<hr/>
<p>作者编辑后:</p>
<p>最简单的方法是:</p>
<pre><code>looking_for = 'findthis' i = 1 for line in open('filename.txt','r'):
if looking_for == line:
print i, line
i+=1
</code></pre>
<p>它既高效又简单:)</p>