Operator Overloading refers to using the same operator to perform different tasks by passing different types of data as arguments. To understand how ‘+’ operator works in two different ways in python let us take the following example
Python3
# taking two numbers a = 2
b = 3
# using '+' operator add them c = a + b
# printing the result print ( "The sum of these two numbers is " , c)
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Output:
The sum of these two numbers is 5
In this example we used ‘+’ operator to add numbers, now let us take one more example to understand how ‘+’ operator is used to concatenate strings.
Python3
# taking two strings from the user a = 'abc'
b = 'def'
# using '+' operator concatenate them c = a + b
# printing the result print ( "After Concatenation the string becomes" , c)
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Output:
After Concatenation the string becomes abcdef
For a better understanding of operator overloading, here is an example where a common method is used for both purposes.
Python3
# let us define a class with add method class operatoroverloading:
def add( self , a, b):
self .c = a + b
return self .c
# creating an object of class obj = operatoroverloading()
# using add method by passing integers # as argument result = obj.add( 23 , 9 )
print ( "sum is" , result)
# using same add method by passing strings # as argument result = obj.add( "23" , "9" )
print ( "Concatenated string is" , result)
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Output:
sum is 32 Concatenated string is 239
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