human
Complete the below
@contrib('sudo')
def sudo(orig):

    ''''a nicer version of sudo that uses getpass to ask for a password, or
    allows the first argument to be a string password'
    '''

=====
Give me a the Python code you requested?
assistant
#Here is the Python code you requested.
    prompt = ('[sudo]    password    for    %s:    ' % getpass.getuser())
    def stdin():
        pw = (getpass.getpass(prompt=prompt) + '\n')
        (yield pw)
    def process(args, kwargs):
        password = kwargs.pop('password', None)
        if (password is None):
            pass_getter = stdin()
        else:
            pass_getter = (password.rstrip('\n') + '\n')
        kwargs['_in'] = pass_getter
        return (args, kwargs)
    cmd = orig.bake('-S', _arg_preprocess=process)
    return cmd