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Fix:Used list instead of string in rot13.py and removed n

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This commit is contained in:
MadhavGupta1506 2024-11-08 22:31:28 +05:30
parent 3e9ca92ca9
commit 1ff77c1612
1 changed files with 6 additions and 5 deletions
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11
ciphers/rot13.py
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@ -1,4 +1,4 @@
def dencrypt(s: str, n: int = 13) -> str: def dencrypt(s: str) -> str:
""" """
https://en.wikipedia.org/wiki/ROT13 https://en.wikipedia.org/wiki/ROT13
@ -9,7 +9,8 @@ def dencrypt(s: str, n: int = 13) -> str:
>>> dencrypt(s) == msg >>> dencrypt(s) == msg
True True
""" """
out = "" out = []
n=13
for c in s: for c in s:
if "A" <= c <= "Z": if "A" <= c <= "Z":
out += chr(ord("A") + (ord(c) - ord("A") + n) % 26) out += chr(ord("A") + (ord(c) - ord("A") + n) % 26)
@ -17,16 +18,16 @@ def dencrypt(s: str, n: int = 13) -> str:
out += chr(ord("a") + (ord(c) - ord("a") + n) % 26) out += chr(ord("a") + (ord(c) - ord("a") + n) % 26)
else: else:
out += c out += c
return out return ''.join(out)
def main() -> None: def main() -> None:
s0 = input("Enter message: ") s0 = input("Enter message: ")
s1 = dencrypt(s0, 13) s1 = dencrypt(s0)
print("Encryption:", s1) print("Encryption:", s1)
s2 = dencrypt(s1, 13) s2 = dencrypt(s1)
print("Decryption: ", s2) print("Decryption: ", s2)