# Aprenda Como Trabajar con Números y Cadenas Implementando el Algoritmo Luhn - Paso 19

### Cuéntanos qué está pasando:

Could someone guide me, I tried print(odd_digits) and it doesn’t solve

### Tu código hasta el momento

``````
# User Editable Region

def verify_card_number(card_number):
sum_of_odd_digits = 0
card_number_reversed = card_number[::-1]
odd_digits = card_number_reversed[::2]

for char in odd_digits():
print(char)

# User Editable Region

def main():
card_number = '4111-1111-4555-1142'
card_translation = str.maketrans({'-': '', ' ': ''})
translated_card_number = card_number.translate(card_translation)

verify_card_number(translated_card_number)

main()
``````

El agente de usuario es: `Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/127.0.0.0 Safari/537.36`
`odd_digits` is a variable, not a function.
`print()` is a function so it has parentheses.
If you are taking one element from `odd_digits` it would make sense to call that variable the singular form “digit” or “odd_digit”. “char” or “character” doesn’t really make sense since it’s a number not a letter.