text: from datetime import datetime
  import numpy as np
  import time
  
  LAST_DAY_OF_SCHOOL = datetime(2021, 6, 10, 11, 50, 0, 0)
  
  def total_countdown():
      event_delta = LAST_DAY_OF_SCHOOL - datetime.now()
      while (event_delta.days + event_delta.seconds) > 0:
          hours, remaining_delta = divmod(event_delta.seconds, 3600)
          mins, secs = divmod(remaining_delta, 60)
          timer = f"\t{event_delta.days:02d} days {hours:02d} hours {mins:02d} minutes {secs:02d} seconds"
          print(timer, end="\r")
          time.sleep(1)
          event_delta = LAST_DAY_OF_SCHOOL - datetime.now()
  
      print("School's out for summer!")
  
  
  def school_days():
      today = datetime.now()
      print(f"\tThere are {np.busday_count(today.date(), LAST_DAY_OF_SCHOOL.date()) -1} school days left in the 2020-2021 school year.")
      pass
  
  
  print()
  school_days()
  print()
  print("\tTime until school is out for summer 2021:", end="\n\n")
  total_countdown()
  
  
  