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A keyword cipher relies on two keys like the affine cipher, but instead of being two numbers, we need a key word and a key
A keyword cipher relies on two keys like the affine cipher, but instead of being two numbers, we need a key word and a key letter. Given a keyword and key letter you can construct a keyword cipher by following these instructions:
- Eliminate all duplicates of letters from the keyword.
- Beginning at the position of the key letter in the alphabet, write the letters of the duplicate-free form of the keyword.
- Write the remaining letters of the alphabet in their natural order after the last keyword letter, wrapping around if necessary.
For example, suppose our keyword is ``mathematics'' and key letter is "f". When we remove all the duplicate letters from ``mathematics'' we are left with "matheics''. We would obtain the following cipher,
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 |
V | W | X | Y | Z | M | A | T | H | E | I | C | S | B | D | F | G | J | K | L | N | O | P | Q | R | U |
Please use python to write this program thank you!!!
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