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