text: from typing import Optional
  
  from sqlmodel import Field, SQLModel, create_engine
  
  
  class Student(SQLModel, table=True):
      id: Optional[int] = Field(default=None, primary_key=True)
      first_name: str
      last_name: str
      email: str
      # dob: 
  
  
  sqlite_url = "sqlite:///school.db"
  engine = create_engine(sqlite_url)
  SQLModel.metadata.create_all(engine)
  