main_infinite.py

#Variables

number = 1 # initial positive number
iterations = 0 # to count iteration in while loop


#Interaction
print('\n Do you want to start from a specific number [y/n] ?')
option_number=str(input(' default is 1, enter y or n to continue : '))

if (option_number == 'Y' or option_number == 'y'):
 
    number =int(input(' Enter the number : '))

print('\n Press Ctrl + C any time to quit \n')
start=str(input(' Press Enter to begin ! \n'))

num = number

while True:
     
     if(num%2) == 0:  #if number is even make it odd
        num = int(num/2)
        iterations += 1

     else: 
         num = int(num*3+1)  #if number is odd make it even
         iterations += 1
 
     if(num == 1): 
        print(' Number : ',number, ', Iterations : ',iterations, ', True ', '\n' )
        number += 1
        iterations=0
        num = number

     elif(num == 0): # conjecture break , alert!
         print(' Number : ', number,', False ', '\n' )
         end=str(input(' Press Enter to close \n')) #wait for input, prevent from auto close.
         break #exit loop