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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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20
Task/Caesar-cipher/Python/caesar-cipher-3.py
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@ -1,9 +1,11 @@
from string import ascii_uppercase as abc
def caesar(s, k, decode = False):
trans = dict(zip(abc, abc[(k,26-k)[decode]:] + abc[:(k,26-k)[decode]]))
return ''.join(trans[L] for L in s.upper() if L in abc)
msg = "The quick brown fox jumped over the lazy dogs"
print(caesar(msg, 11))
print(caesar(caesar(msg, 11), 11, True))
import string
def caesar(s, k = 13, decode = False, *, memo={}):
if decode: k = 26 - k
k = k % 26
table = memo.get(k)
if table is None:
table = memo[k] = str.maketrans(
string.ascii_uppercase + string.ascii_lowercase,
string.ascii_uppercase[k:] + string.ascii_uppercase[:k] +
string.ascii_lowercase[k:] + string.ascii_lowercase[:k])
return s.translate(table)