Computers and Technology, 05.04.2021 23:10 starlightmoon213
Mason and Meade designed an encryption method to exchange secret messages. There are two modes: 'odd' and 'even'. In the 'odd' mode, the actual letters are placed at odd positions (1st, 3rd, 5th letter, etc.) with random letters at even positions; while in the 'even' mode, the actual letters are placed at even positions (2nd, 4th, 6th letters, etc.) with random letters at other positions. Please construct a function decript that takes two arguments: a string type argument text, which is an encrypted text; and another string type argument mode, with a value of 'odd' or 'even'. The function has to print out the decripted text from the given text and mode. Below is two examples of how the function should be called: decrypt('ABCDEFGHIJK', 'odd') decrypt('LITLEOLVIETYPOAU', 'even') The output would be: ACEGIK ILOVEYOU Note: The index of a string starts from 0, i. e., the 1st letter is at index 0, the 2nd at index 1, etc.. print(text[1::2]) def decrypt(text, mode): print(text[1:2:]) if mode == 'odd': print(text[:2:]) elif mode == 'even': print(text[::2]). print(text[0,2,4,...]). print(text[1:-1:2]) print(text[0:-1:2]) print(text[,,2])
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Mason and Meade designed an encryption method to exchange secret messages. There are two modes: 'odd...
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