incorporating dataclasses in the code

Author: SaraTahir28

Sprint5/data-class.py

@@ -0,0 +1,25 @@
+from datetime import date
+from dataclasses import dataclass
+
+@dataclass(frozen=True)
+class Person:
+    name: str
+    birth_day: date
+    preferred_operating_system: str
+
+    def age(self)-> int:   #returns age in years
+        today = date.today()
+        years = today.year - self.birth_day.year
+        if(today.month, today.day) < (self.birth_day.month, self.birth_day.day):
+            years -= 1
+        return years
+
+    def is_adult(self):
+        return self.age() >= 18
+    
+
+p1 = Person("Sara", date(1996, 10, 28), "macOS")
+print(p1.is_adult())   # True
+
+p2 = Person("Muhib", date(2018, 6, 22), "Linux")
+print(p2.is_adult())   # False