def even_numbers(maximum): return_string = "" for x in ___: return_string += str(x) + " " return return_string.strip() print(even_numbers(1)) # No numbers displayed
Вы можете использовать это
def even_numbers(maximum): return_string = "" for x in range(2, maximum + 1, 2): return_string += str(x) + " " return return_string.strip() print(even_numbers(6)) # prints 2, 4, 6