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First solution in Clear category for Speech Module by yule
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"]
HUNDRED = "hundred"
def checkio(number):
# extract the digits from the number
digit1 = number // 100
digit2 = number // 10 % 10
digit3 = number % 10
# this is the result string we're building
result = ""
# handle the left-most digit
if digit1:
result += FIRST_TEN[digit1 - 1] + " " + HUNDRED + " "
# handle the middle digit
if digit2:
# ignore digit2 == '1', we'll handle it below, with the third digit
if digit2 > 1:
result += OTHER_TENS[digit2-2] + " "
# handle the last digit
if digit2 == 1:
# between 10 and 19
result += SECOND_TEN[digit3] + " "
else:
# 21-99
if digit3:
result += FIRST_TEN[digit3 - 1] + " "
print(digit1, digit2, digit3, result)
# trim the whitespace and return the string
return result.strip()
if __name__ == '__main__':
#These "asserts" using only for self-checking and not necessary for auto-testing
assert checkio(4) == 'four', "1st example"
assert checkio(10) == 'ten', "ten 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"
July 9, 2014
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