class Crystal:
    def __init__(self, age, occupation, hobbies):
        self.age = age
        self.occupation = occupation
        self.hobbies = hobbies

if __name__ == "__main__":
    crystal = Crystal(27, "後端工程師", 
        ["做網站", "散步", "用傻瓜相機拍照", "逛沒看過的東西", "聽音樂"])