function [F] = freq(filename)
%FREQ creates a frequency table of the letters given a document.
%  filename = name of the file containing text whose letter frequencies are
%             to be determined. 
%  F = a 26x2 matrix of letter frequencies where the ith row stores two
%      numbers:  i, and the frequency of the ith letter of the alphabet in
%      the given document.

% readfile handles reading for you and stores the char array in m
m = readfile(filename);
% m now contains an array of characters specified by filename.

% YOUR CODE BELOW %
