Exercise: count digits

23 345 12345
67 189 23 17

1. Given the file examples/files/numbers.txt (or a similar file), create a file called count_digits_in_file.py that will count how many times each digit appears? The output will look like this. Just different values.
2. Save the results in a file called report.txt.

0 0
1 3
2 3
3 4
4 2
5 2
6 1
7 2
8 1
9 1