Ptpython is an advanced Python REPL.

Features:
- Syntax highlighting.
- Multiline editing (the up arrow works).
- Autocompletion.
- Mouse support (disabled by default).
- Support for color schemes.
- Support for bracketed paste (if the terminal supports it).
- Both Vi and Emacs key bindings.
- Support for double width (Chinese) characters.
- ... and many other stuff.

WWW: https://github.com/prompt-toolkit/ptpython