print("Type integers, wach followed by Enter; or just Enter to finish")

total=0
count=0

while True:
    line=input("integer:")
    if line:
        try:
            number=int(line)
        except  ValueError as err:
            print(err)
            continue
        total += number
        count +=1
    else:
        break

if count:
    print("count=", count, "total =", total, "mean =", total / count)
