alien_color = ["green","red","yellow"]
if "green" in alien_color:
    print("alien color is green!")
    print("You get 5 point")


alien_color = ["green","red","yellow"]
if "reds" in alien_color:
    print("color is green")
else:
    print("you get 10 point")


alien_color = ["green","red","yellow"]
if "green" in alien_color:
    print("You get 5 point")
elif "red" in alien_color:
    print("You get 10 point")
elif "yellow" in alien_color:
    print("You get 15 point")
print("You find a alien")