cmd module

 #!/usr/local/bin/python

import cmd
import mailbox

userbox='/var/mail/jedi'
list=[]
mb=mailbox.UnixMailbox(open(userbox))

class Reader(cmd.Cmd):

        def __init__(self):
                cmd.Cmd.__init__(self)
                self.prompt = "Reader:"

        def help_get(self):
                print "Gets all the messages in your mailbox."

        def do_get(self):
                while 1:
                        msg = mb.next()
                        if not msg:
                                break
                        msg["body"] = msg.fp.read()
                        list.append(msg)

        def help_quit(self):
                print "Quits you out of Reader."

        def do_quit(self, line):
                print "Exiting..."
                sys.exit()

if __name__ == '__main__':
        readbox = Reader()
        readbox.cmdloop()