Function accept number return in words| Python| ICT A/L

Python function which accept number as input and return it in words

Exercises for Python| User defined function in Python| Function accept  number return in words| Exercises for Python List, String, functions and operators

ICT A/L

#function defined to accept two digit number as parameter and print the number in words

def digit1n2rword(num):
    ones = ["Zero", "One", "Two", "Three", "Four",
            "Five", "Six", "Seven", "Eight", "Nine"]

    teens = ["Ten", "Eleven", "Twelve", "Thirteen", "Fourteen",
             "Fifteen", "Sixteen", "Seventeen", "Eighteen", "Nineteen"]

    tens = ["", "", "Twenty", "Thirty", "Forty",
             "Fifty", "Sixty", "Seventy", "Eighty", "Ninety"]

    if num < 10:
        return ones[num]
    elif num < 20:
        return teens[num - 10]
    else:
        return tens[num // 10] + (" " + ones[num % 10] if num % 10 != 0 else "")

#function defined to accept three digit number as parameter and print the number in words using the digit1n2rword

def digit3word(num):
    if num < 100:
        return digit1n2rword(num)

    hundreds = num // 100
    remainder = num % 100

    if remainder == 0:
        return digit1n2rword(hundreds) + " Hundred"
    else:
        return digit1n2rword(hundreds) + " Hundred " + digit1n2rword(remainder)

#function defined to accept any digit number as parameter and print the number in words using the function digit3word

def anyDigitWord(num):
    if num == 0:
        print("Zero")
        return

    place_values = ["", "Thousand", "Million", "Billion", "Trillion"]
    words = []

    i = 0
    while num > 0:
        part = num % 1000
        if part != 0:
            text = digit3word(part)
            if place_values[i]:
                text += " " + place_values[i]
            words.insert(0, text)
        num //= 1000
        i += 1

    print(" ".join(words))

Main Program which call the anyDigitWord function with given numbers

anyDigitWord(7)
anyDigitWord(19)
anyDigitWord(56)
anyDigitWord(105)
anyDigitWord(250)
anyDigitWord(123456786)

Output

Seven
Nineteen
Fifty Six
One Hundred Five
Two Hundred Fifty
One Hundred Twenty Three Million Four Hundred Fifty Six Thousand Seven Hundred Eighty Six