Author: Amzuloiu Andrei-Ciprian
Requires: python 3.x, regex, pandas, matplotlib
Input: input_txt file, inside of the input_data folder. Also, the user can choose from the command line what he want to do.
Output: Corresponding files in output_data
Options: 1 - Check the appations of all symbols
2 - Check the apparitions of letters only
3 - Encrypt the input file
4 - Decrypt the file encrypted file using brute force
5 - Decrypt the file encrypted file using an input key
6 - Decrypt the file based on the letter with the most apparitions (read more about this in ReadMe file)*
- --> In English, the letter E it the most used letter. The point 6 is available only for english sentences inputs, with a considerable length, where is the sentences is decrypted correlating the letter with the most apparitions with the letter E. It is not 100% accurate, but it was funny to try. :)