print("Type integers, each 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)

-----Error below ---

Integer: 4
Integer: 5
Integer:
invalid literal for int() with base 10: '\r'