How to convert an integer number to words in python?

Question

Write a function that takes an integer as input argument and returns the integer using words. For example if the input is 4721 then the function should retur

Answer 1

def number_to_words(number):
    names = ["zero", "one", "two", "three", "four", "five", "six", "seven", "eight", "nine"]
    lst = []
    while True:
        lst.insert(0, number % 10) # Prepend
        number /= 10
        if number == 0:    # Do this here rather than in the while condition
           break;          # so that 0 results in ["zero"]

    # If you want a list, then:
    return lst;

    # If you want a string, then:
    return " ".join(lst)