# Program 30: Sum of List
def main():
    nums = list(map(int, input("Enter numbers: ").split()))

    total = 0

    for n in nums:
        total = total + n

    print("Sum is:", total)

main()

Enter numbers:  12


Sum is: 12

# Program 31: Average
def main():
    nums = list(map(int, input("Enter numbers: ").split()))

    total = 0

    for n in nums:
        total += n

    avg = total / len(nums)

    print("Average:", avg)

main()

Enter numbers:  189


Average: 189.0

# Program 32: Count Even
def main():
    nums = list(map(int, input("Enter numbers: ").split()))

    count = 0

    for n in nums:
        if n % 2 == 0:
            count += 1

    print("Even count:", count)

main()

Enter numbers:  2 4 5 6 7 8


Even count: 4