Write a method that takes a string as an argument and groups the number of time each character appears in the string as a hash sorted by the highest number of occurrences. The characters should be ...

If you work with text data in Python, you may need ... However, the len() function does not count the number of bytes in a string, but the number of Unicode code points, which may differ depending ...

'''Given three numbers L,R,N, print the count of numbers with occurences of the number N in [L,R].