def _get_modules_list(redis_client):
    """
    Finds out which modules are loaded into Redis.
    """
    modules_list = redis_client.execute_command('MODULE LIST')
    loaded_modules = []
    for module in modules_list:
        module_name = module[1]
        module_version = float(module[3])
        loaded_modules.append((module_name, module_version))
    return loaded_modules
