# more-lists.py
# A set of functions for demonstrating different operations on lists.

def list_to_string(some_list):
    """
    Creates a string from a list
    :param some_list: (list) the list to turn into a string
    :return: (str) a string where all elements of the list have been appended to
    """
    result = ""

    for val in some_list:
        result = result + str(val) + " "

    # skip the last " "
    return result[0:-1]


def string_to_list(some_string):
    """
    Creates a list from a string
    :param some_string: (str) the string to turn into a list
    :return: (list) a list where each index corresponds to a character from the original string
    """
    result = []

    for char in some_string:
        result.append(char)

    return result


def multiply_lists(list1, list2):
    """
    Creates a new list that is the result of the multiplication of two equally-lengthed lists of numbers
    :param list1: (list) the first list of numbers
    :param list2: (list) the second list of numbers
    :return: (list) a list where each index corresponds to the multiplication of the numbers existing in the same index
    in list1 and list2
    """
    result = []

    if len(list1) != len(list2):
        print("Error: lists are not of equal length!")
    else:
        for i in range(len(list1)):
            result.append(list1[i] * list2[i])

    return result