def get_normalized_list(input_str):
    """ Returns the comma-separated input string as a normalized list. """
    items = input_str.split(",")
    total = 0.0
    for item in items:
        total += float(item)
    temp_total = 0
    for index, item in enumerate(items):
        temp_total += float(item)
        items[index] = temp_total / total
    return items