Wait, how do you remember that we are supposed to use the '#' character to remove from the *beginning* of a string?
等一下，怎样记住应该使用 '#' 字符来从字符串开始部分除去？
2
The address is printed at the beginning, and the character conversion is printed at the end.
地址打印在开头，字符转换打印在结尾。
3
In the sample shown, there is a space character at the end of each line (except the last one), and one at the beginning of each of the last three lines.