Monty Hall Simulator without interface

from __future__ import division
import random

#initialize counter variables
totalSwitch=0
totalKeep=0
winSwitch=0
winKeep=0

for i in range(1,1000):
    
    #pick door where prize is hidden
    prize=random.randint(1,3);
    
    #randomly pick initial guess
    guess=random.randint(1,3)
    
    #initialize list of 3 doors
    doors=[j for j in range(1,4)]
    
    
    #remove the door that was guessed initially as an option to open
    doors.remove(guess)
    
    if(prize!=guess):
        #remove the door with the prize in it as an option to open
        doors.remove(prize)
    
    #the remaining door is the one that is does not have a prize and was not picked
    openDoor=doors[0]
    
    #randomly decide to keep the initial guess or switch to the other unopened door: 1-keep, 2-switch
    keepswitch=random.randint(1,2)
    
    if(keepswitch==2):
        #switch chosen
        
        #reset list of doors
        doors=[j for j in range(1,4)]
        
        #remove opened door as option
        doors.remove(openDoor)
        
        #remove intial guess as option
        doors.remove(guess)
        
        #assign remaining door as final guess
        guess=doors[0]
        
        #increment total number of times switched doors
        totalSwitch+=1
        
        if(guess==prize):
            #if correct, increment number of times switched and won
            winSwitch+=1
    else:
            #keep chosen
            
            #increment total number of times kept door
            totalKeep+=1
            if(guess==prize):
                #if correct, increment number of times kept and won
                winKeep+=1
print("keep: "+str(winKeep/totalKeep))
print("switch: "+str(winSwitch/totalSwitch))

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