#version 1:
alien_color = "green"

if alien_color == "green":
    print("You just earned 5 points.")
elif alien_color == "yellow":
    print("You just earned 10 points.")
elif alien_color == "red":
    print("You just earned 15 points")
else:
    print("You didn't score anything...")

#version 2:
alien_color = "yellow"

if alien_color == "green":
    print("You just earned 5 points.")
elif alien_color == "yellow":
    print("You just earned 10 points.")
elif alien_color == "red":
    print("You just earned 15 points")
else:
    print("You didn't score anything...")

#version 3:
alien_color = "red"

if alien_color == "green":
    print("You just earned 5 points.")
elif alien_color == "yellow":
    print("You just earned 10 points.")
elif alien_color == "red":
    print("You just earned 15 points")
else:
    print("You didn't score anything...")