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TomDeBeauchamp/MIT 6.189 Cipher.py

Last active December 19, 2015 02:08
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This was my code for the Secret Messages problem from MIT's OCW Gentle Intro to Comp Sci via Python class, the first problem set, optional material.
Raw
MIT 6.189 Cipher.py
letter = "a"
# converts a letter to ascii code
ascii_code = ord(letter)
# converts ascii code to a letter
letter_res = chr(ascii_code)
encoded_phrase = ""
phrase = raw_input("Type the phrase you'd like to see encoded. ")
shift = int(raw_input("Type the shift value. "))
for c in phrase:
if c in "ABCDEFGHIJKLMNOPQRSTUVWXYZ":
c = ((ord(c)-65 + shift)%26)
c = chr(c%26+65)
elif c in "abcdefghijklmnopqrstuvwxyz":
c = ((ord(c)-97 + shift)%26)
c = chr(c%26+97)
encoded_phrase = encoded_phrase + c
print encoded_phrase
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