Swapping of two numbers in Python

class SwapExample:
	def __init__(self):
		pass

	def swapNumbers(self):
		a = 3
		b = 6
		
		print("The value of a before swap is " + str(a))
		print("The value of b before swap is " + str(b))

		# Swapping of two numbers using temp variable
		temp = a
		a = b
		b = temp

		print("The value of a after swap is " + str(a))
		print("The value of b after swap is " + str(b))
		


obj = SwapExample()
obj.swapNumbers()

class SwapExample:
	def __init__(self):
		pass

	def swapNumbers(self):
		a = 3
		b = 6
		
		print("The value of a before swap is " + str(a))
		print("The value of b before swap is " + str(b))

		# Swapping of two numbers using arithmetic operations
		a = a + b
		b = a - b
		a = a - b

		print("The value of a after swap is " + str(a))
		print("The value of b after swap is " + str(b))
		


obj = SwapExample()
obj.swapNumbers()

class SwapExample:
	def __init__(self):
		pass

	def swapNumbers(self):
		a = 3
		b = 6
		
		print("The value of a before swap is " + str(a))
		print("The value of b before swap is " + str(b))

		# Swapping of two numbers
        # using exclusive OR operation (i.e. XOR)
		a = a ^ b
		b = a ^ b
		a = a ^ b

		print("The value of a after swap is " + str(a))
		print("The value of b after swap is " + str(b))
		


obj = SwapExample()
obj.swapNumbers()