这篇文章是对这个帖子的汇总，帖子里的答复都很有意思，真希望 ITEye 多一些这样的帖子，少一些浮躁和毫无意义的争论。
我把帖子汇总贴在下面：
Write a function that takes as input list of words and prints out groups of words with exactly the same letters, one group per line.
For example,
Given the list:
hat, top, potter, pot, pier, ripe
It would print:
hat
top, pot
pot
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