답안

import random as r

l = [chr(i) for i in range(65, 91)]

total_medicine = []
medicine = []

for i in range(100):
    total_medicine.append(r.sample(l, 8))

user_input = input().split(' ')
result = []

for i in total_medicine:
    if len(set(i) & set(user_input[0])) == int(user_input[1]):
        result.append(i)

print(len(result))