added composition program💻💻

rahulhgdev · web-flow · commit 6ba2bfd105c6 · 2021-01-24T09:41:38.000+05:30
diff --git a/Beginner_Level/composition.py b/Beginner_Level/composition.py
@@ -0,0 +1,24 @@
+
+# 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
+
+class Salary:
+
+    def __init__(self, pay, bonus):
+        self.pay = pay
+        self.bonus = bonus
+
+    def annual_salary(self):
+        return (self.pay*12) + self.bonus
+
+class Employee:
+    def __init__(self, name, age , pay, bonus):
+        self.name= name
+        self.age= age
+        self.obj_salary = Salary(pay, bonus)
+
+    def total_salary(self):
+        return   self.obj_salary.annual_salary()
+
+emp = Employee('rahul', 25 , 15000, 10000)
+
+print(emp.total_salary())
