def sum_and_average(lst):
    """Return sum and average."""
    return sum(lst), sum(lst)/len(lst)

print(sum_and_average([10, 20, 30]))

def calculate_sum_and_average(numbers_list):
    """
    Calculates the sum and average of a list of numbers.

    Args:
        numbers_list (list): A list containing numeric values.

    Returns:
        tuple: A tuple containing the sum and the average of the list.
               Returns (0, 0) if the list is empty to avoid division by zero.
    """
    if not numbers_list:  # Handle empty list case
        return 0, 0

    total_sum = sum(numbers_list)
    total_count = len(numbers_list)
    average = total_sum / total_count
    return total_sum, average

# Example Usage and Output:
my_list = [10, 20, 30, 40, 50]
list_sum, list_average = calculate_sum_and_average(my_list)

print(f"Original List: {my_list}")
print(f"Sum of the list: {list_sum}")
print(f"Average of the list: {list_average}")

# Example with an empty list
empty_list = []
empty_sum, empty_average = calculate_sum_and_average(empty_list)
print(f"\nOriginal List (Empty): {empty_list}")
print(f"Sum of the empty list: {empty_sum}")
print(f"Average of the empty list: {empty_average}")