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write a program that uses an array to count and report the frequency of occurrence of the letters in the text
document provided with this lab (you can code this into your program as a string).
the text was originally written in english; spaces and punctuation have been removed, and the text was then
encrypted with a simple substitution cipher.
a: decrypt the text
b: write a program that encrypts a string of text using a cipher of your own design.

the major difference between the two is the objective and the reward of the game. candy crush has a puzzle theme with the objective of meeting a specific quota of points or objects, you are able to gain access to the next level and compete with peers on the process. on duolingo the objective is rather different, you are given sets of questions for you to answer for you to move to the next level and as for the reward, you are able to learn available language as this is an app developed to teach the user about other languages.