换行Python 换行键盘要用哪个键 CR意思是carriage return,回车,\r,ASCII码为13 LF意思是linefeed,换行,\n,ASCII码为10 当你用一个打字机的时候,asdfghjkl;'右边的那个按钮(在计算机键盘上,就对应着那个Enter键)被按下的时候,打字机的纸张卷动一行,而纸张的水平位置并不变化。打字机上另外还有一个手柄,那个
serial_port.write(data) # if we get a carriage return, add a line feed too # \r is a carriage return; \n is a line feed # This is to help the tty program on the other end # Windows is \r\n for carriage return, line feed # Macintosh and Linux use \n if data == "\r"....
\f ASCII Formfeed (FF) character \n ASCII Linefeed (LF) character \N{<name>} Character from Unicode database with given <name> \r ASCII Carriage return (CR) character \t ASCII Horizontal tab (TAB) character \uxxxx Unicode character with 16-bit hex value xxxx \Uxxxxxxxx Unicode characte...
'\n' 换行符(Line feed) '\r' 回车符(Carriage return) '\t' 制表符(Tab) '\'' 字面量单引号(Literal single quote) '\"' 字面量双引号(Literal double quote) '\\' 字面量反斜杠(Literal backslash) 字符串表示字符串中的每个字符在内部被存储为所谓的 Unicode “代码点(code-point)”,代码点是...
A physical line is a sequence of characters terminated by an end-of-line sequence: On Windows: CR LF (carriage return followed by a line feed) On Unix/Linux: LF (line feed) See the following example. Comments in Python: A comment starts with the # symbol and continues until the end ...
\f 0x0c Formfeed \M-\C-x Meta-Control-x \n 0x0a Newline \nnn Octal notation, where n is in the range 0.7 \r 0x0d Carriage return \s 0x20 Space \t 0x09 Tab \v 0x0b Vertical tab \x Character x \xnn Hexadecimal notation, where n is in the range 0.9, a.f, or A.F字...
whitespace The combination of the space character, horizontal and vertical tab, linefeed, carriage return, and form feed printable The combination of digits, ascii_letters, punctuation, and whitespaceThese string-related constants come in handy in many situations. You can use them when you’re doin...
Responses from the server will use the first byte to indicate data-type, followed by the data, terminated by a carriage-return/line-feed.Data-typePrefixStructureExample Simple string + +{string data}\r\n +this is a simple string\r\n Error – -{error message}\r\n -ERR unknown command ...
The field separator and field quote characters must be legal UTF-8 characters and cannot be line feed (\n) or carriage return (\r). Field quote characters are only permitted in fields enclosed by field quote characters. Field quote characters must not appear inside unquoted fields (e.g. ...
JSON allows arbitrary amounts of whitespace (spaces, tabs, carriage returns, and line feeds) between values. This whitespace is “insignificant,” which means that JSON encoders can add as much or as little whitespace as they like, and JSON decoders are required to ignore the whitespace ...