6_kyu_Write Number in Expanded Form.py

# You will be given a number and you will need to return it as a string in Expanded Form. For example:

# expanded_form(12) # Should return '10 + 2'
# expanded_form(42) # Should return '40 + 2'
# expanded_form(70304) # Should return '70000 + 300 + 4'
# NOTE: All numbers will be whole numbers greater than 0.




def expanded_form(num):
    result = []

    for index, digit in enumerate(str(num)[::-1]):
        if int(digit) != 0:
            result.append(digit + ('0' * index))

    return ' + '.join(result[::-1])





print(expanded_form(857))
# print(expanded_form(42)
# print(expanded_form(70304))