finished_input = False

nums = []

while not finished_input:
    num = input("Enter a number: ")
    if num == "X" or num == "x":
        finished_input = True
    else:
        if num.isnumeric():
            nums.append(float(num))
        else:
            print("Invalid input")

print("")

total = 0

for i in nums:
    total+=i

print("Total:",total)
print("Average:",total/len(nums))