class Employee:
    def __init__(self, name, age, position):
        self.name = name
        self.age = age
        self.position = position

employee = Employee("John Smith", 30, "Manager")
print(employee)

<__main__.Employee object at 0x7fc1131eaef0>

class Employee:
    def __init__(self, name, age, position):
        self.name = name
        self.age = age
        self.position = position

    def __str__(self):
        return f"{self.name} ({self.age}), {self.position}"

employee = Employee("John Smith", 30, "Manager")
print(employee)

John Smith (30), Manager

import mysql.connector

class Database:
    def __init__(self, host, user, password, database):
        self.host = host
        self.user = user
        self.password = password
        self.database = database

    def connect(self):
        cnx = mysql.connector.connect(
            host=self.host,
            user=self.user,
            password=self.password,
            database=self.database
        )
        cursor = cnx.cursor()
        return cnx, cursor

    def query(self, query, params=None):
        cnx, cursor = self.connect()
        cursor.execute(query, params)
        result = cursor.fetchall()
        cnx.commit()
        cnx.close()
        return result

class Person:
    def __init__(self, first_name, last_name, age):
        self.first_name = first_name
        self.last_name = last_name
        self.age = age

    def __str__(self):
        return f"{self.first_name} {self.last_name} ({self.age} years old)"

database = Database("localhost", "root", "password", "test")

query = "SELECT first_name, last_name, age FROM people"
result = database.query(query)

people = []
for row in result:
    first_name, last_name, age = row
    person = Person(first_name, last_name, age)
    people.append(person)

for person in people:
    print(person)

John Smith (36 years old)
Jane Doe (29 years old)
Bob Johnson (54 years old)