Type an s (letter s) in the user name text area to search for matching names (Figure 13).
在用户名文本区域输入s(字母s)，以搜寻与之相匹配的名字(图13)。
2
Once we have the arrays sorted by letter frequency, create a map of letters and use them to try decoding the text.
在将数组按字母频率排序后，创建字母图并使用它们尝试将文本解码。
3
If the two lists are the same size, every instance of the first character of the original list in the text is replaced with the first letter of the replacement list.