code: def datetime_string(day, month, year, hour, minute):
      
      # Overflow
      if hour < 0 or hour > 23: hour = 0
      if minute < 0 or minute > 60: minute = 0
  
      return '%d-%02d-%02dT%02d:%02d:00' % (year, month, day, hour, minute)
docs: Build a date string using the provided day, month, year numbers.
  
      Automatically adds a leading zero to ``day`` and ``month`` if they only have
      one digit.
  
      Args:
          day (int): Day number.
          month(int): Month number.
          year(int): Year number.
          hour (int): Hour of the day in 24h format.
          minute (int): Minute of the hour.
  
      Returns:
          str: Date in the format *YYYY-MM-DDThh:mm:ss*.