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duhaime/rotn.py

Created November 22, 2018 14:33
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rotate n
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rotn.py
def rotn(s, n=13, f=97, l=122):
'''Rotate each char in `s` with codepoint between `f` and `l` by `n`'''
return ''.join([chr(((ord(c)-f+n) % (l-f+1))+f) if f<=ord(c)<=l else c for c in s.lower()])
a = rotn('I believe in a thing called love')
b = rotn(a)
print(a, b)
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