Frequency - Ormendel/Programming_Systems_HW4 GitHub Wiki

frequency function - reads a text file from the user and returns the words in the file in lexicographical order and how many times a word occurs. For example for "a,!bcds,b,a" the function will return output:

a 2

b 1

bcds 1

The function ignores from each character that is not between A-Z or a-z