Inheritance in Python

Program 1

#Inheritance in Python
# 
# class First:
#     def add(self,a,b):
#         return(a+b)
    
# class Second(First):    
#     def sub(self,a,b):
#         return(a-b)
#     def multi(self,a,b):
#         return(a*b)

# # calling
# s=Second()
# print(s.sub(10,5))
# print(s.multi(10,5))
# print(s.add(10,5))

# # Multilevel Inheritance
# class First:
#     def add(self,a,b):
#         return(a+b)
    
# class Second(First):
#     def sub(self,a,b):
#         return(a-b)
    
# class Third(Second):
#     def Multi(self,a,b):
#         return(a*b)

# # Calling
# T=Third()
# x=int(input("Enter First No"))
# y=int(input("Enter Second No"))
# print(T.add(x,y))
# print(T.sub(x,y))
# print(T.Multi(x,y))


# Multiple Inheritance
# class Cirlce:
#     def areaC(self,r):
#         A=3.14*r*r
#         return(A)
#     def circum(self,r):
#         c=2*3.14*r
#         return(c)
# class Rect:
#     def areaR(self,l,b):
#         return(l*b)    
#     def Paremeter(self,l,b):
#         return(2*(l+b))    

# class Myclass(Cirlce,Rect):    
#      None
# #Calling    
# M=Myclass()
# print(M.areaC(12.33))
# print(M.areaR(12.33,12.44))
# print(M.circum(12.55))
# print(M.Paremeter(12.33,12.44))


# Hybridge Inheritance
class Student:
    def getStudent(self,rno,name,course):
        self.rno=rno
        self.name=name
        self.course=course

class SubMarks(Student):
    def getMarks(self,eng,hindi,comp):
        self.eng=eng
        self.hindi=hindi
        self.comp=comp

class Sports:        
    def getSports(self,sp):
        self.sp=sp

class Result(SubMarks,Sports):
          
          def display(self):
               print("Rno: ",self.rno)
               print("Name: ",self.name)
               print("Course: ",self.course)
               print("Hindi :",self.hindi)
               print("English :",self.eng)
               print("Computer :",self.comp)
               print("Sports Marks: ",self.sp)
               total=self.eng+self.hindi+self.comp+self.sp
               print("Total Marks=: ", total)
               per=total//4
               print("Precentage is =: ", per)


# calling
R=Result()
R.getStudent(101,"Vijay Verma","BTech")
R.getMarks(80,78,88)
R.getSports(80)
R.display()