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#example

# ten=0 ten=1 tens=2

#

one2hundred_dict = {0: ('Zero', 'Ten'),

1: ('One', 'Eleven'),

2: ('Two', 'Twelve', 'Twenty'),

3: ('Three', 'thirteen', 'Thirty'),

4: ('Four', 'Fourteen', 'Forty'),

5: ('Five', 'Fifteen', 'fifty'),

6: ('six', 'sixteen', 'sixty'),

7: ('seven', 'seventeen', 'seventy'),

8: ('eight', 'eighteen', 'eighty'),

9: ('nine', 'nineteen', 'ninety')}

#...

def two_digits(str_num):

if len(str_num) == 1:

ones = int(str_num[0]) # ones = rows

tens = 0 # tens = columns

else:

tens = int(str_num[0])

ones = int(str_num[1])

if tens == 0 or tens == 1:

return one2hundred_dict[ones][tens]

else:

word = one2hundred_dict[tens][2]

word += ' ' + one2hundred_dict[ones][0]

return word

def three_digits(str_num):

hundreds = int(str_num[0])

if hundreds == 0:

return two_digits((str_num)[-2:])

tens_ones = str_num[1:]

word = one2hundred_dict[hundreds][0] + ' ' + 'Hundred'

if tens_ones != '00':

word += ' ' + two_digits(tens_ones)

return word

word_list = ['','Thousand','Million','Billion']

while True:

num = input("Type in a number: ")

print(num)

Words = ''

if num == '0':

Words = one2hundred_dict[0][0]

else:

while len(num) > 0:

while num[0] == '0':

num = num[1:]

indx = int((len(num) -1) / 3)

pos = len(num) % 3

if pos == 0:

pos = 3

word = three_digits(num[:pos]) + ' ' + word_list[indx]

else:

word = two_digits(num[:pos]) + ' ' + word_list[indx]

if Words:

Words += ' ' + word

else:

Words = word

num = num[pos:]

print(Words)

print