input: 
  def Fibonacci(n: int) -> int: 
      """ Recursively calculate the Fibonacci number up to a given number.
      >>> Fibonacci(0)
      0
      >>> Fibonacci(1)
      1
      >>> Fibonacci(2)
      1
      >>> Fibonacci(5)
      5
      """
      if n == 0: 
          return 0
      if n == 1: 
          return 1
      else: 
          return Fibonacci(n - 1) + Fibonacci(n - 2)
  
output:     if n == 0: 
          return 0
      if n == 1: 
          return 1
      else: 
          return Fibonacci(n - 1) + Fibonacci(n - 2)