import marshal
import types


def secret_in(f: str):
    with open('11/' + f + '.secret', 'rb') as fi:
        code = marshal.loads(fi.read())
        globals()[f] = types.FunctionType(code, globals(), 'fun')


secret_in('f')
secret_in('g')
secret_in('h')
secret_in('i')
secret_in('j')
secret_in('k')