Write a Python program to encode the plain text message and another Python program to decode the encoded message.
Use the following as starter code:
# <Put your name here> # HW 5 Caesar Cipher: Encoder # Do not modify next 8 lines def encode(): print(“Caesar cipher”) print() # chars is given for your convenience. It will help for # an easier solution. You do not have to use it. chars = “ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz” # Fill in the expression to ask for the key value: key = # Fill in the expression to ask for the phrase to encode: plain = # Your main code starts here. Use as many lines as needed. # Do not modify any lines below print(“Encoded message follows:”) print(cipher) encode()
Write another Python program to decode the encoded message according to the “circular Caesar cipher” problem presented in Programming Exercises 7 and 8 of Book Chapter 5.
Use the following as starter code:
# <Put your name here> # HW 5 Caesar Cipher: Decoder # Do not modify next 8 lines def decode(): print(“Caesar cipher”) print() # chars is given for your convenience. It will help for # an easier solution. You do not have to use it. chars = “ABCDEFGHIJKLMNOPQRSTUVWXYZ abcdefghijklmnopqrstuvwxyz” # Fill in the expression to ask for the key value: key = # Fill in the expression to ask for the phrase to decode: plain = # Your main code starts here. Use as many lines as needed. # Do not modify any lines below print(“Decoded message follows:”) print(cipher) decode()
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