new_contents: from datetime import date
  
  def checkio(date1, date2):
      if date1 > date2:
          raise ValueError("date1 cannot be at a later date than date2")
      DAYS_IN_WEEK = 7
      SATURDAY = 5
      SUNDAY   = 6
      weekend  = [SATURDAY, SUNDAY]
      days_total = (date2 - date1).days
      weekday = date1.weekday()
      count = 0
      for day in range(days_total + 1):
          if weekday in weekend:
              count += 1
          weekday = (weekday + 1) % DAYS_IN_WEEK
      return count
  
subject: Create mySolution.py