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def checkio(time_string): ON, OFF = '.', '-' hour, minitue, second = ['{:0>2}'.format(x) for x in time_string.split(':')] convert = lambda x: x.replace('0', ON).replace('1', OFF) to_bin = lambda x: bin(int(x))[2:] binary = [to_bin(x) for x in hour + minitue + second] morse = convert('{:0>2} {:0>4} : {:0>3} {:0>4} : {:0>3} {:0>4}'.format(*binary)) return morse if __name__ == '__main__': #These "asserts" using only for self-checking and not necessary for auto-testing assert checkio("10:37:49") == ".- .... : .-- .--- : -.. -..-", "First Test" assert checkio("21:34:56") == "-. ...- : .-- .-.. : -.- .--.", "Second Test" assert checkio("00:1:02") == ".. .... : ... ...- : ... ..-.", "Third Test" assert checkio("23:59:59") == "-. ..-- : -.- -..- : -.- -..-", "Fourth Test" |