bpython is a fancy interface to the Python interpreter for Unix-like operating systems. It has the following features: - In-line syntax highlighting. - Readline-like autocomplete with suggestions displayed as you type. - Expected parameter list for any Python function. - "Rewind" function to pop the last line of code from memory and re-evaluate. - Send the code you've entered off to a pastebin. - Save the code you've entered to a file. - Auto-indentation.