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First solution in Clear category for Speech Module by njm2ody
FIRST_TEN = ["zero", "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):
first = lambda x: FIRST_TEN[ x // 100 ] if 100 <= x <= 999 else ''
second = lambda x: SECOND_TEN[ x % 10 ] if 10 <= x <= 19 or 10 < x % 100 < 19 else ''
middle = lambda x: OTHER_TENS[ x // 10 % 10 - 2] if 19 < x < 1000 and x % 100 > 19 else ''
last = lambda x: FIRST_TEN[ x % 10] if x % 10 > 0 and (x % 100 < 10 or x%100 > 19) else ''
hundred = lambda x: HUNDRED if x >= 100 else ''
result = ' '.join(
[
first(number),
hundred(number),
second(number),
middle(number),
last(number)
]
)
return ' '.join(result.split())
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"
Nov. 16, 2014