Part #1: Using a Dictionary data structure

Write a Python program that uses a dictionary to store the frequency of occurrence of each letter in a word or phrase that is input by the user. Then print out the contents of the dictionary. For example, an input of banana would give: [a]:3 [b]:1 [n]:2 You will need to print out both the default (unsorted) and the sorted version of the dictionary (a, b, c)