input: def Fibonacci(n: int) -> None:
      """ Generates and displays a sequence of the first n Fibonacci numbers.
      >>> Fibonacci(5)
      0
      1
      1
      2
      3
      """
      if n <= 0:
          return
      def fib_num(x: int) -> int:
          if x == 1:
              return 0
          elif x == 2:
              return 1
          else:
              return fib_num(x-1) + fib_num(x-2)
      
      for i in range(1, n + 1):
          print(fib_num(i))
output:     if n <= 0:
          return
      def fib_num(x: int) -> int:
          if x == 1:
              return 0
          elif x == 2:
              return 1
          else:
              return fib_num(x-1) + fib_num(x-2)
      
      for i in range(1, n + 1):
          print(fib_num(i))