Python Magic Method

Program 1

#Magic(Dunder) Mehods in Python
class Employee:
    def __init__(self,id,name,salary):
        self.id=id
        self.name=name
        self.salary=salary

    def __str__(self):
        s="Emp ID: {} EMP Name: {} EMP Salary : {}"
        s=s.format(self.id,self.name,self.salary)
        return(s)
    
    # def __repr__(self):
    #     s="Employee ID: {}Employee Name: {}Employee Salary : {}"
    #     s=s.format(self.id,self.name,self.salary)
    #     return(s)
    
    def __call__(self):
         s="Employee ID: {}Employee Name: {}Employee Salary : {}"
         s=s.format(self.id,self.name,self.salary)
         return(s)

         

    

#Calling 
E=Employee(101,"Rajesh Verma",70000)
#print(E)
print(E())   # Object in method format

Program 2

# str="DataFlair Indore"
# print(len(str)) ## __len__() of String class 

# class MyString:
#     def __init__(self,s):
#         self.s=s

#     def __len__(self):
#           x=0
#           for i in self.s:
#                x=x+1
#           return(x)               

# MS=MyString("Vivek Uprit DataFlair Indore")
# print(len(MS))

Program 3

# Operator Overloading with matgic method
# print(10+20) #Addtion
# print("Hello"+"Indore") #Concat
# print(10.5+20.5) # Addition
# print(True+True) #Addition
class Test:
    def __init__(self,n):
        self.n=n
    
    def __add__(self,other):
        return(self.n+other.n)
    
    def __sub__(self,other):
        return(self.n-other.n)
    
    def __mul__(self,other):
        return(self.n*other.n)
    
    def __gt__(self,other):
        if(self.n>other.n):
            return True
        else:
            return False
        
    def __ge__(self,other):
        if(self.n>=other.n):
            return True
        else:
            return False
        
    def __lt__(self,other):
        if(self.n<other.n):
            return True
        else:
            return False
    
    
x=int(input("Enter First Number"))  
y=int(input("Enter Second Number"))  

T1=Test (x)
T2=Test(y)
if(T1<T2): # __lt__(T1,T2)
    print("First No is small ")
else:
    print("Second No is small ")    



# if(T1>=T2): # __gt__(T1,T2)
#     print("First No is grater")
# else:
#     print("Second No is grater")    








#print(T1+T2)  #  __add__(T1,T2)
#print(T1-T2) #  __sub__(T1,T2)
#print(T1*T2)


# print(type(T1))
# print(type(T2))
# a=50
# b=20
# print(type(a))
# print(type(b))
# print(a+b)