Etwas

#!/usr/bin/python

import os
import sys
import math

def bash():
	b=raw_input("yuki.n>")
	return b

def command(cmd):
	pipe = os.popen(cmd)
	out = pipe.read()
	print(out)

print("Willkommen, werther Herr Yakreiter ")
command("cowsay -f dragon `uname -a`")

while True:
	command(bash())