Ответ:

numbers = "1234567890"

max_count_of_nums = 0

count_of_nums = 0

my_str = input("Введите строку: ")

for i in my_str:

if i in numbers:

count_of_nums += 1

if count_of_nums > max_count_of_nums:

max_count_of_nums = count_of_nums

else:

count_of_nums = 0

print("Максимальное число повторяющихся цифр в строке: ", max_count_of_nums)