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