Python - Hailstone Sequence (REMAKE)

num = int(input("N: "))

seq = [num]

while num != 1:
    num = num // 2 if num % 2 == 0 else num * 3 + 1

    seq.append(num)

print(", ".join(str(num) for num in seq))
print("Length: {}".format(len(seq)))