Problem 1: Caesar Cipher (11 points) A cipher is a way of disguising a message by encoding it. One of the simplest ciphers is a "shift cipher" known as the Caesar cipher. The way it works is very simple. 1. Start with a message, such as "ATTACK AT DAWN". 2. Choose a number, such as 3. 3. Shift all letters in the message to the right by the chosen number. In this case, shifting all letters in "ATTACK AT DAWN" by 3 results in the message "DWWDFN DW GDZQ". Write a function called problem_1 that takes two positional arguments message and shift . It should apply the Caesar cipher to a message and return the result. Example input/output: problem_1("ATTACK AT DAWN", 3) => "DWWDFN DW GDZQ" problem_1("MEAMORE", 43) => "CUQCEHU" For full credit: 1. The function must ignore spaces. 2. The function must be able to "wrap around" if it reaches the end of the alphabet. (e.g., shifting Z by 1 should result in A, shifting Z by 2 should result in B, etc.) For your convenience: 1. Assume that all letters will be uppercase. 2. Be aware of the chr() function. chr() takes an Unicode code number and returns the character associated with that number (e.g., chr(65) => "A"). 3. Be aware of the ord() function. ord() takes a Unicode character and returns the Unicode code associated with that character (e.g., ord("A") => 65). 4. Be aware that the Unicode codes of the uppercase English alphabet are Unicode codes 65 to 90, where 65 = A, 66 = B,...., 90 = Z. 5. The shift will always be a positive integer. In [ ]: # CODE CELL # PROBLEM 1

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