style: use hex version of ESC for ANSI instead of octal

Author: sharmaigne

Lib/_pyrepl/unix_console.py

@@ -566,7 +566,7 @@ def clear(self):
 
     def clear_all(self) -> None:
         """Clear screen and scrollback buffer."""
-        self.__write("\033[3J\033[2J\033[H")
+        self.__write("\x1b[3J\x1b[2J\x1b[H")
         self.clear()
 
     @property