如果两个单词的组成字母完全相同，只是字母的排列顺序不一样，则它们就是变位词，两个单词相同也被认为是变位词。如tea 与eat , nic 与cin, ddc与dcd, abc与abc 等。你的任务就是判断它们是否是变位词。-If the composition of two letters the same word, just not the same as the sequence of letters, these are the anagram, the same two words are also considered anagram. Such as tea and eat, nic with cin, ddc and dcd, abc and abc and so on. Your task is to determine whether they are anagram.