'Solution'

app/main.py

@@ -1,8 +1,41 @@
+from typing import Optional, List
+
+
 class Person:
-    # write your code here
-    pass
+    people = {}
+
+    def __init__(self, name: str,
+                 age: int,
+                 spouse: Optional["Person"] = None) -> None:
+        self.name = name
+        self.age = age
+        self.spouse = spouse
+        Person.people[name] = self
+        self.wife = None
+        self.husband = None
+
+
+def create_person_list(people_data: List[dict]) -> List[Person]:
+    person_list = []
+
+    for person_data in people_data:
+        name: str = person_data["name"]
+        age: int = person_data["age"]
+        spouse_name: Optional[str] = (person_data.get("wife")
+                                      or person_data.get("husband"))
+
+        spouse: Optional[Person] = (Person.people.get(spouse_name)
+                                    if spouse_name else None)
+
+        person = Person(name, age, spouse)
+        person_list.append(person)
 
+        if spouse:
+            if "wife" in person_data:
+                person.wife = spouse
+                spouse.husband = person
+            elif "husband" in person_data:
+                person.husband = spouse
+                spouse.wife = person
 
-def create_person_list(people: list) -> list:
-    # write your code here
-    pass
+    return person_list