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연습 문제

Check your types

A class called UserProfile has been defined for you that inherits from BaseModel:

from pydantic import BaseModel
from typing import Optional

class UserProfile(BaseModel):
    username: str
    interests: list[str]
    age: Optional[int] = None
    email: str

Which of the following pieces of code will run without errors, which mean they'd pass the schema validation checks?

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