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CaesarCipher.py
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CaesarCipher.py
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def caesarCipher(s, k):
sapl = [chr(i) for i in range(97,123)]
uapl = [chr(i).upper() for i in range(97,123)]
f = []
for i in s:
if i in sapl:
if sapl.index(i)+k<len(sapl):
f.append(sapl[sapl.index(i)+k])
elif sapl.index(i)+k>=len(sapl):
while True:
if sapl.index(i)+k-26 < len(sapl):
f.append(sapl[sapl.index(i)+k-26])
break
k = k - 26
elif i in uapl:
if uapl.index(i)+k<len(uapl):
f.append(uapl[uapl.index(i)+k])
elif uapl.index(i)+k>=len(uapl):
while True:
if uapl.index(i)+k-26 < len(uapl):
f.append(uapl[uapl.index(i)+k-26])
break
k = k - 26
else:
f.append(i)
return("".join(f))