old_contents: class Student(object):
      """Contains details of Student
  
      Attributes:
          student_ID: An integer to uniquely identify student
          password: A string hashed after adding salt
          name: string
          gender: string
          address: string
          contact_number: string
          photograph: image
          hall_ID: An integer to identify hall of residence
          room_no: string
          room_type: Either an "S" for single, or a "D" for double room
          total_dues: A float to calculate total amount due by student
      """
  
      def __init__(self, student_ID, password, name, gender, address,
                  contact_number, photograph, hall_ID, room_no, room_type):
          """
  
          """
  
          self.student_ID = student_ID
          self.password = password
          self.name = name
          self.gender = gender
          self.address = address
          self.contact_number = contact_number
          self.photograph = photograph
          self.hall_ID = hall_ID
          self.room_no = room_no
          self.room_type = room_type
          self.total_dues = 0.;
  
new_contents: class Student(object):
      """Contains details of Student
  
      Attributes:
          student_ID: An integer to uniquely identify student
          password: A string hashed after adding salt
          name: string
          gender: string
          address: string
          contact_number: string
          photograph: image
          hall_ID: An integer to identify hall of residence
          room_no: string
          room_type: Either an "S" for single, or a "D" for double room
          total_dues: A float to calculate total amount due by student
      """
  
      def __init__(self, student_ID, password, name, gender, address,
                  contact_number, photograph, hall_ID, room_no, room_type):
          """
          Init Student with details from Admission Letter
          """
  
          self.student_ID = student_ID
          self.password = password
          self.name = name
          self.gender = gender
          self.address = address
          self.contact_number = contact_number
          self.photograph = photograph
          self.hall_ID = hall_ID
          self.room_no = room_no
          self.room_type = room_type
  
          # Total dues payable by student
          # total_dues = room_rent + mess_charges + amenities_charges
          self.total_dues = 0.
  
subject: add student object initializer