from pydantic import BaseModel, Field

class ContinentData(BaseModel):
    continent: str = Field(description="CONTINENT")
    total_population: int = Field(description="TOTAL_POPULATION")
    total_area_km2: int = Field(description="TOTAL_AREA_IN_KM_SQUARE")
    continent_population_density: float = Field(description="POPULATION_DENSITY")
    max_population: dict = Field(description="MAXIMUM_POPULATION")
    min_population: dict = Field(description="MINIMUM_POPULATION")
    avg_population: int = Field(description="AVERAGE_POPULATION")