from collections import defaultdict
from random import seed
import random

def rand():
    return random(0, 10)


map = defaultdict(int)
for i in range(0, 26):
    key = chr(ord('A') + i)
    map[key] = random.randint(0, 10)

print(map)

for key in map:
    print(key, map[key])

reduce = defaultdict(list)
for key in map:
    reduce[map[key]].append(key)

print(reduce)