import numpy as np

doors = [1, 2, 3]

# goats are placed behind the following two doors
goats = np.random.choice(doors, 2, False)

participant_choice = int(input("Choose a door from 1 to 3: ")) 

if (participant_choice == goats[0]):
    print("The car is not behind door", goats[1])
    goats =  np.delete(goats, 1)
    
else: 
    print("The car is not behind door", goats[0]) 
    goats = np.delete(goats, 0)
    
   
change = input("Do you want to switch door (y/n):") 
    
if (change == "y" and participant_choice == goats):
    print("Congratulation, you got a car")
    
elif (change == "y" and participant_choice != goats):
    print("Sorry, you got a goat") 
    
elif (change == "n" and participant_choice == goats):    
    print("Sorry, you got a goat") 
    
else:
    print("Congratulation, you got a car")