Creating stubs and defining schemas

main.py

@@ -0,0 +1,43 @@
+from fastapi import FastAPI
+
+from typing import List
+
+from back.schemas import PeopleCreate, AverageAgeByCountry, CountByCountry, GenderRepartition
+
+app = FastAPI()
+
+
+@app.post("/people")
+async def create_people(people_list: PeopleCreate) -> dict:
+    return {
+        "message": "People list has been succesfully imported",
+        "records_created": 12
+    }
+
+
+@app.get("/average_age", response_model=List[AverageAgeByCountry])
+async def read_average_age(name: str):
+    return [
+        {'country': 'FR', 'average_age': 22.7},
+        {'country': 'BE', 'average_age': 14.7},
+        {'country': 'DE', 'average_age': 27.7},
+        {'country': 'IT', 'average_age': 32.7},
+    ]
+
+
+@app.get("/count_by_country", response_model=List[CountByCountry])
+async def read_count_by_country():
+    return [
+        {'country': 'FR', 'people_count': 2},
+        {'country': 'BE', 'people_count': 4},
+        {'country': 'DE', 'people_count': 3},
+        {'country': 'IT', 'people_count': 7},
+    ]
+
+
+@app.get("/count_by_gender/{country}", response_model=GenderRepartition)
+async def read_count_by_gender(country: str):
+    return {
+        "female_proportion": 51.2,
+        "male_proportion": 48.8
+    }