How do I tell Python to convert integers into words

Question

I m trying to tell Python to convert integers into words   Example   using the song 99 bottles of beer on the wall   I used this code to write the program   for i in range 99 0 -1       print i   Bottles of beer on the wall       print i   bottles of beer       print  Take one down and pass it around       print i-1   bottles of beer on the wall       print   But I cannot figure out how to write the program so that the words  i e  Ninety nine  Ninety eight  etc   will be displayed instead of the numbers   I have been wracking my head in the python book I have  I understand that maybe I just do not understand for if elif else loops yet but I m just spinning my wheels   Could anyone provide any insight  I m not looking for a direct answer  although that might help me see my problem  just anything to point me in the right direction would be great

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This valid till 4 digit number numbers  1  one   2  two   3  three   4  four   5  five   6  six   7  seven   8  eight   9  nine   10  ten   11  eleven   12  twelve   13  thirteen   14  fourteen   15  fifteen   16  sixteen   17  seventeen   18  eighteen   19  nineteen   20  twenty   30  thirty   40  forty   50  fifty    60  sixty   70  seventy   80  eighty   90  ninety   100  hundred   1000  thousand    def my fun num       list          num len   len str num   - 1     while num len  gt  0 and num  gt  0         while num len  gt  0 and num  gt  0          if num in numbers and num  lt  1000              list append numbers num               num len   0         elif num  lt  100              list extend  numbers num - num 10   numbers num 10                num len   0         else              quotent   num  10  num len   4567  1000  4             num   num   10  num len  4567 1000  567             if quotent    0                   list append numbers quotent                   list append numbers 10  num len               else                  list append numbers num               num len -  1     return     join list

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And here comes my solution    It is various of earlier solutions  but developed on my own - maybe somebody enjoy it more then other propositions   TENS    30   thirty   40   forty   50   fifty   60   sixty   70   seventy   80   eighty   90   ninety   ZERO TO TWENTY          zero    one    two    three    four    five    six    seven    eight    nine    ten        eleven    twelve    thirteen    fourteen    fifteen    sixteen    seventeen    eighteen    nineteen    twenty     def number to english n       if any not x isdigit   for x in str n            return         if n  lt   20          return ZERO TO TWENTY n      elif n  lt  100 and n   10    0          return TENS n      elif n  lt  100          return number to english n -  n   10           number to english n   10      elif n  lt  1000 and n   100    0          return number to english n   100      hundred      elif n  lt  1000          return number to english n   100      hundred     number to english n   100      elif n  lt  1000000          return number to english n   1000      thousand     number to english n   1000       return      It is recoursive solution and can be easily expand for bigger numbers

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Here is refactored version of several code examples posted above  mostly code pasted by  developer    def int2words num          Given an int32 number  print it in English       Parameters     ----------     num   int      Returns     -------     words   str             assert  0  lt   num      d             0   zero   1   one   2   two   3   three   4   four   5   five           6   six   7   seven   8   eight   9   nine   10   ten           11   eleven   12   twelve   13   thirteen   14   fourteen           15   fifteen   16   sixteen   17   seventeen   18   eighteen           19   nineteen   20   twenty           30   thirty   40   forty   50   fifty   60   sixty           70   seventy   80   eighty   90   ninety            h    100   hundred    hundred and       k    h 0    10   thousand    thousand        m    k 0    1000   million    million        b    m 0    1000   billion    billion        t    b 0    1000   trillion    trillion        if num  lt  20          return d num      if num  lt  100          div   mod    divmod num  10          return d num  if mod     0 else d div    10     -    d mod       else          if num  lt  k 0               divisor  word1  word2   h         elif num  lt  m 0               divisor  word1  word2   k         elif num  lt  b 0               divisor  word1  word2   m         elif num  lt  t 0               divisor  word1  word2   b         else              divisor  word1  word2   t         div   mod    divmod num  divisor          if mod     0              return         format int2words div    word1          else              return            format int2words div    word2  int2words mod

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We adapted an existing nice solution  ref  for converting numbers to words as follows   def numToWords num join True          words      convert an integer number into words        units        one   two   three   four   five   six   seven   eight   nine       teens        eleven   twelve   thirteen   fourteen   fifteen   sixteen                   seventeen   eighteen   nineteen       tens        ten   twenty   thirty   forty   fifty   sixty   seventy                  eighty   ninety       thousands        thousand   million   billion   trillion   quadrillion                       quintillion   sextillion   septillion   octillion                       nonillion   decillion   undecillion   duodecillion                       tredecillion   quattuordecillion   sexdecillion                       septendecillion   octodecillion   novemdecillion                       vigintillion       words          if num  0  words append  zero       else          numStr     d  num         numStrLen   len numStr          groups    numStrLen 2  3         numStr   numStr zfill groups 3          for i in range 0 groups 3 3               h t u   int numStr i   int numStr i 1   int numStr i 2               g   groups- i 3 1              if h gt  1                  words append units h                   words append  hundred               if t gt 1                  words append tens t                   if u gt  1  words append units u               elif t  1                  if u gt  1  words append teens u                   else  words append tens t               else                  if u gt  1  words append units u               if  g gt  1  and   h t u  gt 0   words append thousands g           if join  return     join words      return words   example usages  print numToWords 0  print numToWords 11  print numToWords 110  print numToWords 1001000025  print numToWords 123456789012    results   zero eleven one hundred ten one billion  one million  twenty five one hundred twenty three billion  four hundred fifty six million  seven hundred eighty nine thousand  twelve   Note that it works for integer numbers  Nevertheless it is trivial to divide a float number into two integer parts

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Here s a way to do it in Python 3      Given an int32 number  print it in English     def int to en num       d     0    zero   1    one   2    two   3    three   4    four   5    five             6    six   7    seven   8    eight   9    nine   10    ten             11    eleven   12    twelve   13    thirteen   14    fourteen             15    fifteen   16    sixteen   17    seventeen   18    eighteen             19    nineteen   20    twenty             30    thirty   40    forty   50    fifty   60    sixty             70    seventy   80    eighty   90    ninety        k   1000     m   k   1000     b   m   1000     t   b   1000      assert 0  lt   num       if  num  lt  20           return d num       if  num  lt  100           if num   10    0  return d num          else  return d num    10   10     -    d num   10       if  num  lt  k           if num   100    0  return d num    100      hundred          else  return d num    100      hundred and     int to en num   100       if  num  lt  m           if num   k    0  return int to en num    k      thousand          else  return int to en num    k      thousand      int to en num   k       if  num  lt  b           if  num   m     0  return int to en num    m      million          else  return int to en num    m      million      int to en num   m       if  num  lt  t           if  num   b     0  return int to en num    b      billion          else  return int to en num    b      billion      int to en num   b       if  num   t    0   return int to en num    t      trillion      else  return int to en num    t      trillion      int to en num   t       raise AssertionError  num is too large   s    str num     And the result is   0 zero 3 three 10 ten 11 eleven 19 nineteen 20 twenty 23 twenty-three 34 thirty-four 56 fifty-six 80 eighty 97 ninety-seven 99 ninety-nine 100 one hundred 101 one hundred and one 110 one hundred and ten 117 one hundred and seventeen 120 one hundred and twenty 123 one hundred and twenty-three 172 one hundred and seventy-two 199 one hundred and ninety-nine 200 two hundred 201 two hundred and one 211 two hundred and eleven 223 two hundred and twenty-three 376 three hundred and seventy-six 767 seven hundred and sixty-seven 982 nine hundred and eighty-two 999 nine hundred and ninety-nine 1000 one thousand 1001 one thousand  one 1017 one thousand  seventeen 1023 one thousand  twenty-three 1088 one thousand  eighty-eight 1100 one thousand  one hundred 1109 one thousand  one hundred and nine 1139 one thousand  one hundred and thirty-nine 1239 one thousand  two hundred and thirty-nine 1433 one thousand  four hundred and thirty-three 2000 two thousand 2010 two thousand  ten 7891 seven thousand  eight hundred and ninety-one 89321 eighty-nine thousand  three hundred and twenty-one 999999 nine hundred and ninety-nine thousand  nine hundred and ninety-nine 1000000 one million 2000000 two million 2000000000 two billion

User · Answer

You can use the python-n2w library  Just do   pip install n2w   then simply  print n2w convert your-number-here

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The inflect package can do this   https   pypi python org pypi inflect    pip install inflect   and then    gt  gt  gt import inflect  gt  gt  gt p   inflect engine    gt  gt  gt p number to words 99  ninety-nine

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Convert numbers to words  Here is an example in which numbers have been converted into words using the dictionary  string   input  quot Enter a string   quot   my dict     0    zero    1    one    2    two    3    three    4    four    5    five    6    six    7    seven    8    eight    9    nine   for item in string    if item in my dict keys        string   string replace item  my dict item   print string

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Use pynum2word module that can be found at sourceforge   gt  gt  gt  import num2word  gt  gt  gt  num2word to card 15   fifteen   gt  gt  gt  num2word to card 55   fifty-five   gt  gt  gt  num2word to card 1555   one thousand  five hundred and fifty-five

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This does the job without any library  Used recursion and it is Indian style  -- Ravi   def spellNumber no         str no  will result in  56 9 for 56 90 so we used the method which is given below      strNo      2f   no     n   strNo split          rs   numberToText int n 0    strip       ps         if len n  gt  2           ps   numberToText int n 1    strip           rs        ps    paise   if rs strip        else   rs     and     ps    paise   strip       return rs print spellNumber 0 67   print spellNumber 5858 099   print spellNumber 5083754857380 50        def numberToText no       ones      one two three four five six seven eight nine ten eleven tweleve thirteen fourteen fifteen sixteen seventeen eighteen nineteen twenty  split          tens    ten twenty thirty fourty fifty sixty seventy eighty ninety  split          text          if len str no   lt  2          if no lt 20               text   ones no          else              text   tens no  10-1         ones  no  10       elif len str no    3          text   ones no  100     hundred     numberToText no-   no  100   100       elif len str no   lt  5          text   numberToText no  1000     thousand     numberToText no-   no  1000   1000       elif len str no   lt  7          text   numberToText no  100000     lakh     numberToText no-   no  100000   100000       else          text   numberToText no  10000000     crores     numberToText no-   no  10000000   10000000       return text

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Well  the dead-simple way to do it is to make a list of all the numbers you re interested in   numbers     zero    one    two    three    four    five                    ninety-eight    ninety-nine      The     indicates where you d type the text representations of other numbers  No  Python isn t going to magically fill that in for you  you d have to type all of them to use that technique    And then to print the number  just print numbers i   Easy peasy   Of course  that list is a lot of typing  so you might wonder about an easy way to generate it   English unfortunately has a lot of irregularities so you d have to manually put in the first twenty  0-19   but you can use regularities to generate the rest up to 99   You can also generate some of the teens  but only some of them  so it seems easiest to just type them in    numbers    zero one two three four five six seven eight nine  split   numbers extend  ten eleven twelve thirteen fourteen fifteen sixteen  split    numbers extend  seventeen eighteen nineteen  split    numbers extend tens if ones     zero  else  tens    -    ones       for tens in  twenty thirty forty fifty sixty seventy eighty ninety  split       for ones in numbers 0 10    print numbers 42      forty-two    Another approach is to write a function that puts together the correct string each time  Again you ll have to hard-code the first twenty numbers  but after that you can easily generate them from scratch as needed  This uses a little less memory  a lot less once you start working with larger numbers

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This works for too the first 1000 numbers  Python 3   Beginner solution to the problem but a solution nonetheless     first nums         one    two    three    four    five    six    seven    eight    nine    ten    eleven    twelve                  thirteen    fourteen    fifteen    sixteen    seventeen    eighteen    nineteen   tens     ten    twenty    thirty   forty   fifty    sixty   seventy   eighty   ninety    for num in range 1 1001       if num  lt  20          print first nums num       elif num  lt  100 and num   10    0          print tens int num 10 - 1        elif num  lt  1000 and num   100    0          print first nums int num 100       hundred       elif num    1000          print  one thousand       elif num  lt  100 and num   10    0          print tens int num  10 - 1           first nums int num 10        elif num  lt  1000          if num 100  lt  20              print first nums int num  100       hundred and     first nums num 100           else              print first nums int num  100       hundred and     tens int num 100  10 - 1           first nums int num 10

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It sound like you ll need to use an array  where num 1     one   num 2     two   and so on  Then you can loop through each like you already are and   num   array   one   two   three   four   five   six   seven   eight   nine   ten    for i in range 10 0 -1       print num i    Bottles of beer on the wall       print num i    bottles of beer       print  Take one down and pass it around       print num i-1    bottles of beer on the wall       print

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I would solve this problem simply by doing that  numberText         1   one   2   two   3   three   4   four   5   five       6   six   7   seven   8   eight   9   nine   10   ten       11   eleven   12   twelve   13   thirteen   14   fourteen       15   fifteen   16   sixteen   17   seventeen   18   eighteen       19   nineteen   20   twenty       30   thirty   40   forty   50   fifty   60   sixty       70   seventy   80   eighty   90   ninety       100   hundred   1000   thousand   1000000   million      def numberToEnglishText n       if n    0          return  zero      if n  lt  0          return  negative     numberToEnglishText -n       result           for num in sorted numberText keys    reverse True           count   int n num           if  count  lt  1               continue          if  num  gt   100               result    numberToEnglishText count                 result    numberText num          n -  count   num         if  n  gt  0               result             return result

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You have to use a dictionnary array  For example      to 19    zero   one   two   three   four   five   six   seven   eight   nine    nineteen    tens     twenty     ninety     And you could generate the string of a number by doing  for example     if len str number      2 and  number  gt  20         word number   tens str number  0       units str number  0     You have to check if the last figure is not a zero and so on   classic value checking   It reminds a project euler challenge  problem 17    you should try to find some solutions about it  Hope it helps

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Code for this    gt  gt  gt def handel upto 99 number   predef  0  zero  1  one  2  two  3  three  4  four  5  five  6  six  7  seven  8  eight  9  nine  10  ten  11  eleven  12  twelve  13  thirteen  14  fourteen  15  fifteen  16  sixteen  17  seventeen  18  eighteen  19  nineteen  20  twenty  30  thirty  40  fourty  50  fifty  60  sixty  70  seventy  80  eighty  90  ninety  100  hundred  100000  lakh  10000000  crore  1000000  million  1000000000  billion   if number in predef keys        return predef number  else      return predef  number 10  10      predef number 10       gt  gt  gt def return bigdigit number devideby   predef  0  zero  1  one  2  two  3  three  4  four  5  five  6  six  7  seven  8  eight  9  nine  10  ten  11  eleven  12  twelve  13  thirteen  14  fourteen  15  fifteen  16  sixteen  17  seventeen  18  eighteen  19  nineteen  20  twenty  30  thirty  40  fourty  50  fifty  60  sixty  70  seventy  80  eighty  90  ninety  100  hundred  1000  thousand  100000  lakh  10000000  crore  1000000  million  1000000000  billion   if devideby in predef keys        return predef number devideby      predef devideby  else      devideby  10     return handel upto 99 number devideby      predef devideby       gt  gt  gt def mainfunction number   dev  100  hundred  1000  thousand  100000  lakh  10000000  crore  1000000000  billion   if number is 0      return  Zero  if number lt 100      result handel upto 99 number   else      result        while number gt  100          devideby 1         length len str number           for i in range length-1               devideby  10         if number devideby  0              if devideby in dev                  return handel upto 99 number devideby       dev devideby              else                  return handel upto 99 number  devideby 10        dev devideby 10          res return bigdigit number devideby          result result     res         if devideby not in dev              number number-  devideby 10   number  devideby 10            number number-devideby  number devideby       if number  lt 100          result   result        handel upto 99 number  return result     result    gt  gt  gt mainfunction 12345    twelve thousand three hundred fourty five   gt  gt  gt mainfunction 2000   two thousand

[python] How do I tell Python to convert integers into words

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