adding generic type to children:list and adding age for the children.

Author: SaraTahir28

Sprint5/generics.py

@@ -0,0 +1,21 @@
+from dataclasses import dataclass
+
+@dataclass(frozen=True)
+class Person:
+    name: str
+    age : int
+    children: list["Person"] #nside the Person class- the Person-type doesnt exist, so we add "" to person,
+
+
+
+Muhib = Person(name="Muhib",age= 7, children=[])
+Muiz = Person(name="Muiz",age= 4,children=[])
+
+Sara = Person(name="Sara",age= 31, children=[Muhib, Muiz])
+
+def print_family_tree(person: Person) -> None:
+    print(person.name)
+    for child in person.children:
+        print(f" {child.name} ({child.age})")
+
+print_family_tree(Sara)