擅长:python、mysql、java
<p>也许有人会更直截了当地发布一些东西,但这是可行的:</p>
<pre><code>a = 'hello'
b = 'sello'
for i in range(min(len(a), len(b))):
if a[i] == b[i]:
a = [c if j != i else '' for j, c in enumerate(a)]
b = [c if j != i else '' for j, c in enumerate(b)]
a = ''.join(a) # OUTPUT 'h'
b = ''.join(b) # OUTPUT 's'
</code></pre>