Commit 6ba2bfd

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added composition program💻💻

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	`1`	`+`
	`2`	`+# in composition we have delegates some responisibilities from subclass to superclass or vice versa if it don't have is-a relation for eg. employee and salary`
	`3`	`+`
	`4`	`+class Salary:`
	`5`	`+`
	`6`	`+ def __init__(self, pay, bonus):`
	`7`	`+ self.pay = pay`
	`8`	`+ self.bonus = bonus`
	`9`	`+`
	`10`	`+ def annual_salary(self):`
	`11`	`+ return (self.pay*12) + self.bonus`
	`12`	`+`
	`13`	`+class Employee:`
	`14`	`+ def __init__(self, name, age , pay, bonus):`
	`15`	`+ self.name= name`
	`16`	`+ self.age= age`
	`17`	`+ self.obj_salary = Salary(pay, bonus)`
	`18`	`+`
	`19`	`+ def total_salary(self):`
	`20`	`+ return self.obj_salary.annual_salary()`
	`21`	`+`
	`22`	`+emp = Employee('rahul', 25 , 15000, 10000)`
	`23`	`+`
	`24`	`+print(emp.total_salary())`

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