擅长:python、mysql、java
<pre><code>import math
import string
import random
s = "IYGGRTOCTOERGTDKHUTAOHEIIATTOICNNRIHDSRGKE"
while len(s) % 16 !=0:
s = s + random.choice(string.letters)
# s is now a multiple of 16 random characters
# continue processing
</code></pre>