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First solution in Clear category for Morse Decoder by halyna.maslak
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):
words = code.replace(' ', ' ').split(' ') #replace the three spaces (distinguishing words) with two spaces
#and then split the text into letters. spaces between words become one space
text = [MORSE.get(ch, ' ') for ch in words] #create a new list with decoded letters
return ''.join(text).capitalize() #turn the list into a string and capitalize the first letter
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!")
March 24, 2021
