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‎03_Python_Revision/12_Revise_again_all_python_concepts/OOP_revision.py

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# # OOP REVISION
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# # OOP STANDS FOR OBJECT ORIENTED PROGRAMMING
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# # IT IS A PROGRAMMING PARADIGM BASED ON THE CONCEPT OF "OBJECTS
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# # ANYTHING THAT CAN BE REPRESENTED AS AN OBJECT CAN BE MANIPULATED USING OOP
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# # OOP IS USED TO SIMPLIFY THE COMPLEXITY OF PROGRAMMING BY BREAKING DOWN
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# # CLASS AND OBJECTS
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# # CLASS IS A BLUEPRINT OR A TEMPLATE THAT DEFINES THE PROPERTIES AND BEHAVIOUR
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# # OF AN OBJECT
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# class Dog:
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# def __init__(self,name,breed,age):
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# self.name = name
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# self.breed = breed
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# self.age = age
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# def sound(self):
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# print("Woof")
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# def eat(self,meal):
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# print(f"{self.name} is eating {meal}")
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# d1 = Dog("bella","germen","4")
23-
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# print(d1.name)
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# print(d1.breed)
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# print(d1.age)
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# d1.sound()
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# d1.eat("Biscuit")
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# print()
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# d2 = Dog("max","bulldog","5")
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# print(d2.name)
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# print(d2.breed)
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# print(d2.age)
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# d2.sound()
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# d2.eat("meat")
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# # INHERITANCE
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# # IT IS A MECHANISM THAT ALLOWS ONE CLASS TO INHERIT THE PROPERTIES
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# # AND BEHAVIOR OF ANOTHER CLASS
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# class Father:
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# def guide(self):
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# print("I will guide you")
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# def work(self):
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# print("I will work")
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# class Child(Father):
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# def play(self):
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# print("I will play")
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# def eat(self):
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# print(" I am eating")
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# c1 = Child()
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# c1.play()
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# c1.eat()
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# c1.guide()
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# c1.work()
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# # MUltiple Inheritance
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# class Father:
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# def show_father_traits(self):
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# return "Father's traits"
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# class Mother:
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# def show_mother_traits(self):
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# return "Mother's traits"
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# class Child(Father, Mother):
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# def show_child_traits(self):
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# return "Child's traits"
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# # Testing
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# child = Child()
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# print(child.show_father_traits()) # Output: Father's traits
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# print(child.show_mother_traits()) # Output: Mother's traits
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# print(child.show_child_traits()) # Output: Child's traits
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# # Multilevel Inheritance
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# class Grandfather:
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# def show_grandfather_traits(self):
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# return "Grandfather's traits"
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# class Father(Grandfather):
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# def show_father_traits(self):
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# return "Father's traits"
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# class Child(Father):
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# def show_child_traits(self):
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# return "Child's traits"
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# # Testing
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# child = Child()
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# print(child.show_grandfather_traits()) # Output: Grandfather's traits
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# print(child.show_father_traits()) # Output: Father's traits
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# print(child.show_child_traits()) # Output: Child's traits
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# # Hierarchical Inheritance
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# class Grandfather:
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# def show_grandfather_traits(self):
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# return "Grandfather's traits"
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# class Father(Grandfather):
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# def show_father_traits(self):
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# return "Father's traits"
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# class Mother(Grandfather):
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# def show_mother_traits(self):
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# return "Mother's traits"
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# # Testing
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# father = Father()
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# mother = Mother()
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# print(father.show_grandfather_traits()) # Output: Grandfather's traits
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# print(father.show_father_traits()) # Output: Father's traits
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# print(mother.show_grandfather_traits()) # Output: Grandfather's traits
121-
# print(mother.show_mother_traits()) # Output: Mother's traits
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# # HyBRID INHERITANCE
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# class Grandfather:
126-
# def show_grandfather_traits(self):
127-
# return "Grandfather's traits"
128-
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# class Father(Grandfather):
130-
# def show_father_traits(self):
131-
# return "Father's traits"
132-
133-
# class Mother:
134-
# def show_mother_traits(self):
135-
# return "Mother's traits"
136-
137-
# class Child(Father, Mother):
138-
# def show_child_traits(self):
139-
# return "Child's traits"
140-
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# # Testing
142-
# child = Child()
143-
# print(child.show_grandfather_traits()) # Output: Grandfather's traits
144-
# print(child.show_father_traits()) # Output: Father's traits
145-
# print(child.show_mother_traits()) # Output: Mother's traits
146-
# print(child.show_child_traits()) # Output: Child's traits
1+
# OOP REVISION
2+
# OOP STANDS FOR OBJECT ORIENTED PROGRAMMING
3+
# IT IS A PROGRAMMING PARADIGM BASED ON THE CONCEPT OF "OBJECTS
4+
# ANYTHING THAT CAN BE REPRESENTED AS AN OBJECT CAN BE MANIPULATED USING OOP
5+
# OOP IS USED TO SIMPLIFY THE COMPLEXITY OF PROGRAMMING BY BREAKING DOWN
6+
7+
# CLASS AND OBJECTS
8+
# CLASS IS A BLUEPRINT OR A TEMPLATE THAT DEFINES THE PROPERTIES AND BEHAVIOUR
9+
# OF AN OBJECT
10+
11+
class Dog:
12+
def __init__(self,name,breed,age):
13+
self.name = name
14+
self.breed = breed
15+
self.age = age
16+
17+
def sound(self):
18+
print("Woof")
19+
def eat(self,meal):
20+
print(f"{self.name} is eating {meal}")
21+
22+
d1 = Dog("bella","germen","4")
23+
24+
print(d1.name)
25+
print(d1.breed)
26+
print(d1.age)
27+
28+
d1.sound()
29+
d1.eat("Biscuit")
30+
31+
print()
32+
33+
d2 = Dog("max","bulldog","5")
34+
print(d2.name)
35+
print(d2.breed)
36+
print(d2.age)
37+
d2.sound()
38+
d2.eat("meat")
39+
40+
41+
# INHERITANCE
42+
# IT IS A MECHANISM THAT ALLOWS ONE CLASS TO INHERIT THE PROPERTIES
43+
# AND BEHAVIOR OF ANOTHER CLASS
44+
45+
class Father:
46+
def guide(self):
47+
print("I will guide you")
48+
def work(self):
49+
print("I will work")
50+
class Child(Father):
51+
def play(self):
52+
print("I will play")
53+
54+
def eat(self):
55+
print(" I am eating")
56+
57+
c1 = Child()
58+
c1.play()
59+
c1.eat()
60+
c1.guide()
61+
c1.work()
62+
63+
# MUltiple Inheritance
64+
class Father:
65+
def show_father_traits(self):
66+
return "Father's traits"
67+
68+
class Mother:
69+
def show_mother_traits(self):
70+
return "Mother's traits"
71+
72+
class Child(Father, Mother):
73+
def show_child_traits(self):
74+
return "Child's traits"
75+
76+
# Testing
77+
child = Child()
78+
print(child.show_father_traits()) # Output: Father's traits
79+
print(child.show_mother_traits()) # Output: Mother's traits
80+
print(child.show_child_traits()) # Output: Child's traits
81+
82+
# Multilevel Inheritance
83+
class Grandfather:
84+
def show_grandfather_traits(self):
85+
return "Grandfather's traits"
86+
87+
class Father(Grandfather):
88+
def show_father_traits(self):
89+
return "Father's traits"
90+
91+
class Child(Father):
92+
def show_child_traits(self):
93+
return "Child's traits"
94+
95+
# Testing
96+
child = Child()
97+
print(child.show_grandfather_traits()) # Output: Grandfather's traits
98+
print(child.show_father_traits()) # Output: Father's traits
99+
print(child.show_child_traits()) # Output: Child's traits
100+
101+
102+
# Hierarchical Inheritance
103+
class Grandfather:
104+
def show_grandfather_traits(self):
105+
return "Grandfather's traits"
106+
107+
class Father(Grandfather):
108+
def show_father_traits(self):
109+
return "Father's traits"
110+
111+
class Mother(Grandfather):
112+
def show_mother_traits(self):
113+
return "Mother's traits"
114+
115+
# Testing
116+
father = Father()
117+
mother = Mother()
118+
print(father.show_grandfather_traits()) # Output: Grandfather's traits
119+
print(father.show_father_traits()) # Output: Father's traits
120+
print(mother.show_grandfather_traits()) # Output: Grandfather's traits
121+
print(mother.show_mother_traits()) # Output: Mother's traits
122+
123+
# HyBRID INHERITANCE
124+
125+
class Grandfather:
126+
def show_grandfather_traits(self):
127+
return "Grandfather's traits"
128+
129+
class Father(Grandfather):
130+
def show_father_traits(self):
131+
return "Father's traits"
132+
133+
class Mother:
134+
def show_mother_traits(self):
135+
return "Mother's traits"
136+
137+
class Child(Father, Mother):
138+
def show_child_traits(self):
139+
return "Child's traits"
140+
141+
# Testing
142+
child = Child()
143+
print(child.show_grandfather_traits()) # Output: Grandfather's traits
144+
print(child.show_father_traits()) # Output: Father's traits
145+
print(child.show_mother_traits()) # Output: Mother's traits
146+
print(child.show_child_traits()) # Output: Child's traits
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# ENCAPSULATION:

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