Compelted "Dataclasses" exercise.

Author: anosidium

prep exercises/Dataclasses exercise.py

@@ -0,0 +1,23 @@
+from dataclasses import dataclass
+from datetime import date
+
+@dataclass(frozen=True)
+class Person:
+    name: str
+    date_of_birth: date
+    preferred_operating_system: str
+
+    def is_adult(self):
+        today = date.today()
+        age = today.year - self.date_of_birth.year
+
+        if (today.month, today.day) < (self.date_of_birth.month, self.date_of_birth.day):
+            age -= 1
+
+        return age >= 18
+
+imran = Person("Imran", date(2004, 6, 28), "Ubuntu")  # We can call this constructor - @dataclass generated it for us.
+print(imran)  # Prints Person(name='Imran', age=22, preferred_operating_system='Ubuntu')
+
+imran2 = Person("Imran", date(2004, 6, 28), "Ubuntu")
+print(imran == imran2)  # Prints True