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19 lines
633 B
Python
19 lines
633 B
Python
from string import ascii_letters, punctuation, whitespace
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rev = ascii_letters[25::-1] + ascii_letters[:25:-1]
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enc = str.maketrans(ascii_letters, rev)
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dec = str.maketrans(rev, ascii_letters)
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san = str.maketrans('', '', punctuation)
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def groupings(text, groupby=5):
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for i in range(0, len(text), groupby):
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yield text[i:i + groupby]
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def sanitize(text):
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return ''.join(text.translate(san).split())
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def encode(plain_text, groupby=5):
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return ' '.join(groupings(sanitize(plain_text.translate(enc).lower()), groupby=groupby))
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def decode(ciphered_text):
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return ''.join(ciphered_text.translate(dec).lower().split()) |