擅长:python、mysql、java
<p>将<code>string</code>更改为<code>mystring</code>:</p>
<pre><code>def removeDupes(mystring):
newStr = ""
for ch in mystring:
if ch not in newStr:
newStr = newStr + ch
return newStr
print removeDupes("hello")
print removeDupes("overflow")
print removeDupes("paragraphs")
>>>
helo
overflw
parghs
</code></pre>