num2str

def num2str(num):
    txt = {'0': 'zero',
           '1': 'jeden',
           '2': 'dwa',
           '3': 'trzy',
           '4': 'cztery',
           '5': 'piec',
           '6': 'szesc',
           '7': 'siedem',
           '8': 'osiem',
           '9': 'dziewiec'
           }
    strNum = ''
    for n in num:
        if n in txt:
            strNum = strNum + txt[n] + " "
    return strNum

digits = input('Give me the nuber: ')
print(num2str(digits))