请告诉我保存a-z，A-Z，0-9以及下面提到的字符的代码
• . period
• , comma
• ? question mark
• ! exclamation point
• - dash ***
• _ underscore
• ( ) parentheses
• : colon
• ; semicolon
• $ dollar sign
• asterisk
• © copyright symbol
• ® registered symbol
• § section symbol
• @ ampersand
• / \ forward and back slashes
• Ó acute character
• Ç French cedille
请帮忙......