Computercraft Flip Coin Programs

print("Choose between Option 1 and Option 2")
choice = io.read()

-- validate the user input
while choice ~= "Option 1" and choice ~= "Option 2" do
  print("Invalid choice. Choose between Option 1 and Option 2")
  choice = io.read()
end

-- generate a random number between 1 and 2
if math.random(1, 2) == 1 then
  print("You chose " .. choice .. ". Option 2 was not selected.")
else
  print("You chose " .. choice .. ". Option 1 was not selected.")
end