How to extract a number from a number?

Question

Python

For example, there is a natural number, and I need to find out how many digits "4" are in it, for example.

Answer 1

num = 45644644
str_num = str(num)
count = str_num.count('4')
print(count)  # 5

Answer 2

number = 18374908234
digits = str(number)
count = { i: digits.count(str(i)) for i in range(10) }

print(count)