I'm confused about number to word conversion & pyttsx

I am writing a python program on Windows using Python 2.7. Basically, it’s a program that takes a 5-digit, negative & positive, number from user & spells it out in English using num2word & then speaks it out too. I have used espeak & pyttsx both but i’m getting errors in all of them. I have tried this:

num = raw_input('Please enter your 5 digit number:')
   while len(num) != 5 or (not num.isdigit()):
      print 'Not a 5 digit number'
      num = raw_input('Please enter your 5 digit number:')
   num = int(num)

def spellnum(num,join=True):
#Lists of number words

    thousands = ['','thousand','million']
    tens = ['','ten','twenty','thirty','forty','fifty','sixty','seventy','eighty','ninety']
    teens = ['','eleven','twelve','thirteen','fourteen','fifteen','sixteen','seventeen','eighteen','nineteen']
    units = ['','one','two','three','four','five','six','seven','eight','nine'] 
    #Empty List for number words
    words = [] 
    #zero case
    if num==0: words.append('zero')
    #how to handle negative numbers
    if num < 0: words.append('negative') 
    num = abs(num)
    #a series of steps to process the numbers and turn them into words
    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>=1:
        if t>1:
            if u>=1: words.append(units[u])
        elif t==1:
            if u>=1: words.append(teens[u])
            else: words.append(tens[t])
            if u>=1: words.append(units[u])
        if (g>=1) and ((h+t+u)>0): words.append(thousands[g]+',')
    #final joining of parts
        if join: return ' '.join(words)
    return words

print 'Your number is: ', spellnum(num)

import pyttsx
engine = pyttsx.init()
engine.setProperty('rate', 70)

voices = engine.getProperty('voices')
for voice in voices:
print "Using voice:", repr(voice)
engine.setProperty('voice', voice.id)

Output was:

Please enter your 5 digit number:34342
Your number is:  thirty four thousand,

Traceback (most recent call last):
  File "C:\Python27\prj.py", line 48, in <module>
    engine = pyttsx.init()
  File "C:\Python27\lib\site-packages\pyttsx\__init__.py", line 39, in init
    eng = Engine(driverName, debug)
  File "C:\Python27\lib\site-packages\pyttsx\engine.py", line 45, in __init__
    self.proxy = driver.DriverProxy(weakref.proxy(self), driverName, debug)
  File "C:\Python27\lib\site-packages\pyttsx\driver.py", line 64, in __init__
    self._module = __import__(name, globals(), locals(), [driverName])
  File "C:\Python27\lib\site-packages\pyttsx\drivers\sapi5.py", line 19, in <module>
    import win32com.client
ImportError: No module named win32com.client

First, it’s not spelling the complete number that the user provided. For e.g.: I entered 20300 & it said “twenty thousand,”, that’s it. It didn’t say the proper “Twenty thousand, three hundred”.
Second, when i entered -20300, it returned “not a 5-digit number”. I know that this has something to do with .isdigit method that i used, i don’t know what to do about it so that negative numbers can also be considered as proper inputs.
Third, i have tried to make it say the complete spelling of numbers by using Espeak & pyttsx both but it keeps returning errors. I tried this:

import subprocess
text = int(str(spellnum(num)))
subprocess.call('espeak '+text, shell=True)

Output was:

Please enter your 5 digit number:35345
Your number is:  thirty five thousand,

Traceback (most recent call last):
 File "C:\Python27\prj.py", line 48, in <module>
 text = int(str(spellnum(num)))
ValueError: invalid literal for int() with base 10: ' thirty five thousand,'

Please know that i’m new to Python. Any kind of help is appreciated.

Hello Sidrah_Asad

I am new to Python as well. I can’t completely resolve your problem, but I can see that you are only processing the first group of numbers (the thouands). You don’t seem to be looping back to get the hundreds, tens and units so far as I can see. HTH

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