@@ -26,14 +26,39 @@ def series(self):
2626yield self .b
2727self .a ,self .b = self .b ,self .a + self .b
2828
29- class Mouth () :
29+ class Mouth :
3030def __init__ (self ):
3131print ('Constructor is called while object is defined.' )
3232def speak (self ):
3333print ('Mouth can speak.' )
3434def sing (self ):
3535print ('Mouth can sing.' )
3636
37+ class Man_from_moon ():
38+ def __init__ (self ,** kargs ):
39+ print ('This class defines the scalability of the class data.' )
40+ print ('Use of dictoionaries in class variable definition can make the class data scalable easily.' )
41+ self .variables = kargs
42+
43+ def get_face (self ):
44+ print ('Getting the face of man from moon' )
45+ print ('This makes it with limited scalability' )
46+ return self .variables .get ('face' ,None )# default value returned for face is None
47+
48+ def set_face (self ,face ):
49+ print ('Setting the face of man from moon' )
50+ print ('This makes it with limited scalability' )
51+ self .variables ['face' ]= face
52+
53+ def get_variable (self ,k ):
54+ # k is the name of the varible
55+ print ('using the key word variables to set and get makes it easier to deal with scalibility of class data' )
56+ return self .variables .get (k ,None )# default value of 'None' is returned if variable not defined
57+
58+ def set_variable (self ,k ,v ):
59+ print ('Key-value argument makes the class model easily scalable in python.' )
60+ self .variables [k ]= v
61+
3762def main ():
3863# instantiate: make object of the class
3964f = Fibonacci (0 ,1 )
@@ -46,5 +71,16 @@ def main():
4671my_mouth = Mouth ()# my_mouth = object of the class Mouth
4772my_mouth .speak ()
4873my_mouth .sing ()
49-
74+
75+ # class data scalability discussed and demonstrated
76+ marty = Man_from_moon (face = 'MoonFace' ,intelligence = 'HighIntell' )
77+ print ('Getting face value from constructor: ' ,marty .get_face ())
78+ marty .set_face ('ManFace' )
79+ print ('Getting face value from Getter Method: ' ,marty .get_face ())
80+ print ('\n Addressing Scalability:' )
81+ print ('Getting value of\' face\' constructor:' ,marty .get_variable ('face' ))
82+ print ('Getting value of\' intelligence\' set in constructor:' ,marty .get_variable ('intelligence' ))
83+ marty .set_variable ('intelligence' ,'VeryHighIntell' )
84+ print ('Getting new value of\' intelligence\' :' ,marty .get_variable ('intelligence' ))
85+
5086if __name__ == '__main__' :main ()