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2016 Update

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This commit is contained in:
Tina Müller 2016-12-05 22:15:40 +01:00
parent 948b86eafa
commit dcf5d15da3
7965 changed files with 139854 additions and 31002 deletions
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6
Task/Vigen-re-cipher/Python/vigen-re-cipher-1.py
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@ -4,16 +4,16 @@ def encrypt(message, key):
# convert to uppercase.
# strip out non-alpha characters.
message = filter(lambda _: _.isalpha(), message.upper())
message = filter(str.isalpha, message.upper())
# single letter encrpytion.
def enc(c,k): return chr(((ord(k) + ord(c)) % 26) + ord('A'))
def enc(c,k): return chr(((ord(k) + ord(c) - 2*ord('A')) % 26) + ord('A'))
return "".join(starmap(enc, zip(message, cycle(key))))
def decrypt(message, key):
# single letter decryption.
def dec(c,k): return chr(((ord(c) - ord(k)) % 26) + ord('A'))
def dec(c,k): return chr(((ord(c) - ord(k) - 2*ord('A')) % 26) + ord('A'))
return "".join(starmap(dec, zip(message, cycle(key))))