42 lines
1.5 KiB
Python
42 lines
1.5 KiB
Python
MORSE = {'.-': 'a', '-...': 'b', '-.-.': 'c',
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'-..': 'd', '.': 'e', '..-.': 'f',
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'--.': 'g', '....': 'h', '..': 'i',
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'.---': 'j', '-.-': 'k', '.-..': 'l',
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'--': 'm', '-.': 'n', '---': 'o',
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'.--.': 'p', '--.-': 'q', '.-.': 'r',
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'...': 's', '-': 't', '..-': 'u',
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'...-': 'v', '.--': 'w', '-..-': 'x',
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'-.--': 'y', '--..': 'z', '-----': '0',
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'.----': '1', '..---': '2', '...--': '3',
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'....-': '4', '.....': '5', '-....': '6',
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'--...': '7', '---..': '8', '----.': '9'
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}
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def morse_decoder(code: str) -> str:
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sentence = ""
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while len(code) > 0:
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if code[0] == " ":
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sentence += " "
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code = code[2:]
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next_space = code.find(" ")
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if next_space != -1:
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letter = code[0:next_space]
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code = code[next_space+1:]
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sentence += MORSE[letter]
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else:
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sentence += MORSE[code]
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code = ""
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return sentence[0].upper() + sentence[1:]
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if __name__ == '__main__':
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print("Example:")
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print(morse_decoder('... --- ...'))
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# These "asserts" using only for self-checking and not necessary for auto-testing
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assert morse_decoder("... --- -- . - . -..- -") == "Some text"
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assert morse_decoder("..--- ----- .---- ---..") == "2018"
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assert morse_decoder(".. - .-- .- ... .- --. --- --- -.. -.. .- -.--") == "It was a good day"
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print("Coding complete? Click 'Check' to earn cool rewards!")
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