# Write a function to count unique keys for each value present in the tuple.
from collections import defaultdict


def get_unique(test_list):
    res = defaultdict(list)
    for sub in test_list:
        res[sub[1]].append(sub[0])
    res = dict(res)
    res_dict = dict()
    for key in res:
        res_dict[key] = len(list(set(res[key])))
    return str(res_dict)
