input: Write a python function to simulate a game of Rock, Paper, Scissors and determine the winner.
  assert rock_paper_scissors("Rock", "Scissors") == "You Win!"
  assert rock_paper_scissors("Paper", "Rock") == "You Win!"
  assert rock_paper_scissors("Scissors", "Paper") == "You Win!"
  assert rock_paper_scissors("Rock", "Rock") == "It's a tie!"
  assert rock_paper_scissors("Paper", "Scissors") == "You Lose!"
output: def rock_paper_scissors(player_choice, computer_choice):
      if player_choice == computer_choice:
          return "It's a tie!"
      elif (player_choice == "Rock" and computer_choice == "Scissors") or \
           (player_choice == "Paper" and computer_choice == "Rock") or \
           (player_choice == "Scissors" and computer_choice == "Paper"):
          return "You Win!"
      else:
          return "You Lose!"