擅长:python、mysql、java
<p>我将采用的方法是:</p>
<pre><code>import re
L = "hellohellohello"
N = "good"
N = "wherewhere"
cnt = 0
result = ''
for i in range(1,len(L)+1):
if cnt <= len(re.findall(L[0:i],L)):
cnt = len(re.findall(L[0:i],L))
result = re.findall(L[0:i],L)[0]
print(result)
</code></pre>
<p>使用相应的变量给出以下输出:</p>
^{pr2}$