CSCI120 
                                  
     Introduction to Computer Science I 
                     using Python 3 
        Nov 9, 2018      Python3_Prog_OOP.odp   c   2018    1
                                                          
      Object-Oriented Programming
                                          Go to code...
             Nov 9, 2018                    Python3_Prog_OOP.odp   c   2018                              2
        Before you can make an object in Python 3, 
        you must first define the class... 
       Nov 9, 2018     Python3_Prog_OOP.odp   c   2018  3
            Definition of the Person class:
       class Person():
           ''' Instantiates a Person object with given name. '''
           def __init__(self, first_name, last_name):
               ''' Initializes private instance variables _firstname and _lastname.  '''
               self._firstname = first_name
               self._lastname = last_name
           def __str__(self):
               ''' Returns the state of the Person object. '''
               return self._firstname + " " + self._lastname
             Nov 9, 2018                    Python3_Prog_OOP.odp   c   2018                              4