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#comments, Deconstruct by digit solution in Clear category for Speech Module by mlb00
FIRST_TEN = ["one", "two", "three", "four", "five", "six", "seven",
"eight", "nine"]
SECOND_TEN = ["ten", "eleven", "twelve", "thirteen", "fourteen", "fifteen",
"sixteen", "seventeen", "eighteen", "nineteen"]
OTHER_TENS = ["twenty", "thirty", "forty", "fifty", "sixty", "seventy",
"eighty", "ninety"]
def checkio(number): #Deconstruct the number to its digits and translate
a, h, t, o = "", number//100, (number % 100) // 10, number % 10
if h > 0: #hundreds digit
a += FIRST_TEN[h-1] + " hundred "
if t == 1: #tens digit is 1, special case 10-19
a += SECOND_TEN[o]
if t > 1: #tens digit else
a += OTHER_TENS[t-2] + " "
if o > 0 and t != 1: #ones digit if not special case of tens digit
a += FIRST_TEN[o-1]
return a.rstrip() #strip the extra right space after the string
if __name__ == '__main__':
#These "asserts" using only for self-checking and not necessary for auto-testing
assert checkio(4) == 'four', "1st example"
assert checkio(133) == 'one hundred thirty three', "2nd example"
assert checkio(12) == 'twelve', "3rd example"
assert checkio(101) == 'one hundred one', "4th example"
assert checkio(212) == 'two hundred twelve', "5th example"
assert checkio(40) == 'forty', "6th example"
assert not checkio(212).endswith(' '), "Don't forget strip whitespaces at the end of string"
March 27, 2015
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