SELF ASSIGNMENT:
	- when we set variable to its own value.
	- 
	- self assigning the variable help us to increase the value of the same variable.:
		eg ; w = w + 1
	- self assignment of variable let us to track the change in data over time.
	- 





169250f789881bf82f0681e507d08f7f7b0d621e
SELF ASSIGNMENT:
	- when we set variable to its own value.
	- 
	- self assigning the variable help us to increase the value of the same variable.:
		eg ; w = w + 1
	- self assignment of variable let us to track the change in data over time.
	- 




