مولّد مخطط استدعاءات Python

def main():
    user = fetch_user(1)
    print(render(user))


def fetch_user(user_id):
    row = query_db(user_id)
    return to_dict(row)


def query_db(user_id):
    return (user_id, "Ada Lovelace")


def to_dict(row):
    return {"id": row[0], "name": row[1]}


def render(user):
    return f"{user['id']}: {user['name']}"