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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def save_user_config(username, conf_dict, path=settings.LOGIN_FILE):
 """ Save user's configuration to otherwise unused field ``full_name`` in passwd file. """

    users = load_users(path=path)
    users[username]["full_name"] = _encode_config(conf_dict)
    save_users(users, path=path)