text: rows = 5
  k = 2 * rows - 2
  for i in range(rows):
      for _ in range(k):
          print(" ", end="")
      k = k - 1
      print("*", end="")
      for _ in range(i*2):
          print(" ", end="")
      print("*")
  k = rows - 2
  for i in range(rows, -1, -1):
      for j in range(k, 0, -1):
          print(" ",end="")
      k = k + 1
      print("*", end="")
      for _ in range((i)*2):
          print(" ", end="")
      print("*")