Collatz4Randy

answer_list = [] #list to store answers
number_list = [i for i in range(101)] #list to store Collatz numbers

def collatz(number):
    #print(number)
    count = 0
    if number == 0 or number == 1:
        count = 0
    else:
        while number != 1:
            count = count + 1
            if number % 2 == 0:
                number = number/2
                #print(number)
            else:
                number = number * 3 + 1
                #print(number)
    answer_list.append(count)
    return(answer_list)


print("Calculating Collatz sequence for numbers 0 - 100")
for number in number_list:
    collatz(number)
answer_dict = dict(zip(number_list, answer_list))
print("Finding longest sequence:")
biggest_key = max(answer_dict, key=answer_dict.get)
biggest_value = answer_dict.get(biggest_key)
print("The largest sequence is for the number", biggest_key , "which has a length of:" , biggest_value )
#print(biggest_value)
#print(answer_list)
#print(answer_dict)