擅长:python、mysql、java
<p>这就是你想要的吗?</p>
<pre><code>def num_to_string(num, leng):
string = ""
for i in range(0,len(str(num)),leng):
n = str(num)[i:i+2]
string += chr(int(n))
print string
</code></pre>
<p>输出:</p>
<pre><code>>>> ================================ RESTART ================================
>>>
>>> num_to_string(650065006600,4)
AAB
>>> num_to_string(650650660,3)
AAB
>>> num_to_string(656566,2)
AAB
>>>
</code></pre>