list - 2 questions:

[ben1122]

def format_list(my_list):
    """
    This function returns the words in the list which is in the even side.
    :param my_list: The list of the project.
    :type my_list: str, int, float
    :rtype: str, int, float
    :return: The result of the list on the even only.
    """
    if len(my_list) % 2 == 0:
        return my_list[0::2]


print(format_list(my_list=["hydrogen", "helium", "lithium", "beryllium", "boron", "magnesium"]))

oh wait , I changed something and now its worked.
i removed the my_list = []
why did it suddnely work?