import collections


def typeSeries(dfs):
    """
    Find type of a pandas series
    Args:
        dfs (pd.series): pd.series of values
    Returns:
        str: type
    """
    c = collections.Counter([type(x) for x in dfs.values])
    cnt = c.most_common()
    if len(cnt)>1:
        return 'mixed'
    else:
        return cnt[0][0]