collatz

print('Enter Number:')
mynum = int(input())

def collatz(number):
    seq = [number]
    while seq[-1] >1:
        if number%2 == 0:
            seq.append(number/2)
        else:
            seq.append(3*number+1)
        number = seq[-1]
    return seq
print(collatz(mynum))