#2


def sum_even_numbers(limit):
    total_sum = 0  # Initialize the sum to 0
    for number in range(2, limit + 1, 2):  # Start at 2, go up to and including limit, step by 2
        total_sum += number  # Add the even number to the total_sum
    return total_sum  # Return the final sum

# Example usage
print(sum_even_numbers(10))  # Output: 30 (2 + 4 + 6 + 8 + 10)










#1



def count_down(n):
    while n > 0:
        print(n)
        n -= 1

# Example usage:
count_down(5)