Letter Histogram
Read in a text file downloaded from Project Gutenburg (try Simple Simon!) and produce a histogram similar to the following, where the letter used the most has 40 asterisks and the rest are scaled proportionally.
A: *************************B: *********************C: *********************************D: *************************E: ****************F: *****************************G: *******************************H: ******************************I: ************************************J: ********K: **************************L: ***********************M: ***********************N: ************************O: **********P: *****************Q: **************************************R: ***********S: **********************T: **************U: *************V: ***W: ********X: *********************Y: **************************************Z: **********