input: def print_star_pattern():
      """Print the following pattern:
  
      for i in range(5):
          for j in range(i+1):
              print("*", end="")
          print("")
  
      for i in range(5, 0, -1):
          for j in range(i):
              print("*", end="")
          print("")
  
      Example:
      >>> print_star_pattern()
      *
      **
      ***
      ****
      *****
      *****
      ****
      ***
      **
      *
      """
output:     for i in range(5):
          for j in range(i+1):
              print("*", end="")
          print("")
  
      for i in range(5, 0, -1):
          for j in range(i):
              print("*", end="")
          print("")