Solution

app/main.py

@@ -1,8 +1,22 @@
 class Person:
-    # write your code here
-    pass
+    people = {}
+
+    def __init__(self, name: str, age: int) -> None:
+        self.name = name
+        self.age = age
+
+        Person.people[name] = self
 
 
 def create_person_list(people: list) -> list:
-    # write your code here
-    pass
+    person_list = [Person(person["name"], person["age"])
+                   for person in people]
+
+    for person in people:
+        person_instance = Person.people[person["name"]]
+        if person.get("wife"):
+            person_instance.wife = Person.people[person["wife"]]
+        elif person.get("husband"):
+            person_instance.husband = Person.people[person["husband"]]
+
+    return person_list

tests/test_main.py

@@ -117,6 +117,7 @@ def test_person_instance_attribute_wife_and_husband_doesnt_exists():
     with open(path_to_main()) as file:
         tree = ast.parse(file.read())
 
+    print(ast.dump(tree))
     assert (
         len(
             tree.__dict__["body"][0]