text: import math
  from math import e
  
  def main():
      num_lyst = [math.pi, e, -math.pi, -e]
      num_names = ["pi", "e", "pi", "e"]
      for num in range(len(num_lyst)):
          print(f"{num_names[num]} is {num_lyst[num]}")
          print(f"Ceiling of {num_names[num]} is {math.ceil(num_lyst[num])}")
          print(f"Floor of {num_names[num]} is {math.floor(num_lyst[num])}")
          print(f"Round of {num_names[num]} is {round(num_lyst[num])}")
          print(f"Truncate of {num_names[num]} is {math.trunc(num_lyst[num])}")
  
  if __name__ == "__main__":
      main()