dummy_engine27.py

#!/usr/bin/env python2

while True:
    command = raw_input()

    if command == "quit" or command == "exit":
        break

    elif command == "usi":
        print("id name engine27")
        print("id author by 0z4ck")
        print("option name BookFile type string default public.bin\noption name UseBook type check default true")
        print("usiok")
        
    elif command == "isready":
        print("readyok")

    elif command.split(" ")[0] == "go":
       print("bestmove 7g7f")
    
    else:
       print("command not known: '{}'".format(command))

dummy_engine36.py

#!/usr/bin/env python3

while True:
    command = input()

    if command == "quit" or command == "exit":
        break
        
    elif command == "usi":
        print("id name engine36")
        print("id author by 0z4ck")
        print("option name BookFile type string default public.bin\noption name UseBook type check default true")
        print("usiok")
        
    elif command == "isready":
        print("readyok")
        
    elif command.split(" ")[0] == "go":
       print("bestmove 7g7f")
    
    else:
       print("command not known: '{}'".format(command))