def get_callbacks(callback_list):
    """
    Returns a list of callbacks given a list of callback specifications.
    A list of callback specifications is a list of tuples (callback_name, **callback_params).
    
    Parameters
    ----------
    callback_list: a list of tuples (callback_name, **callback_params)
    
    Returns
    -------
    A list of callbacks
    """
    
    callbacks = []
    
    for name,params in callback_list:
        callbacks.append(globals()[name](**params))
        
    return callbacks