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60895366c0
* fix(mypy): type annotations for cipher algorithms * Update mypy workflow to include cipher directory * fix: mypy errors in hill_cipher.py * fix build errors
98 lines
1.8 KiB
Python
98 lines
1.8 KiB
Python
# Python program to implement Morse Code Translator
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# Dictionary representing the morse code chart
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MORSE_CODE_DICT = {
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"A": ".-",
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"B": "-...",
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"C": "-.-.",
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"D": "-..",
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"E": ".",
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"F": "..-.",
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"G": "--.",
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"H": "....",
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"I": "..",
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"J": ".---",
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"K": "-.-",
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"L": ".-..",
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"M": "--",
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"N": "-.",
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"O": "---",
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"P": ".--.",
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"Q": "--.-",
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"R": ".-.",
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"S": "...",
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"T": "-",
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"U": "..-",
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"V": "...-",
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"W": ".--",
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"X": "-..-",
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"Y": "-.--",
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"Z": "--..",
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"1": ".----",
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"2": "..---",
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"3": "...--",
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"4": "....-",
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"5": ".....",
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"6": "-....",
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"7": "--...",
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"8": "---..",
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"9": "----.",
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"0": "-----",
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"&": ".-...",
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"@": ".--.-.",
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":": "---...",
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",": "--..--",
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".": ".-.-.-",
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"'": ".----.",
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'"': ".-..-.",
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"?": "..--..",
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"/": "-..-.",
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"=": "-...-",
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"+": ".-.-.",
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"-": "-....-",
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"(": "-.--.",
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")": "-.--.-",
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# Exclamation mark is not in ITU-R recommendation
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"!": "-.-.--",
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}
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def encrypt(message: str) -> str:
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cipher = ""
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for letter in message:
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if letter != " ":
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cipher += MORSE_CODE_DICT[letter] + " "
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else:
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cipher += "/ "
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# Remove trailing space added on line 64
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return cipher[:-1]
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def decrypt(message: str) -> str:
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decipher = ""
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letters = message.split(" ")
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for letter in letters:
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if letter != "/":
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decipher += list(MORSE_CODE_DICT.keys())[
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list(MORSE_CODE_DICT.values()).index(letter)
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]
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else:
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decipher += " "
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return decipher
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def main() -> None:
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message = "Morse code here"
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result = encrypt(message.upper())
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print(result)
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message = result
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result = decrypt(message)
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print(result)
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if __name__ == "__main__":
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main()
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