def get_total_n_points(d):
    """
    Returns the total number of data points in values of dict.

    Paramters
    ---------
    d : dict
    """
    n = 0
    for di in d.values():
        n += len(di)
    return n
Returns the total number of data points in values of dict.

    Paramters
    ---------
    d : dict