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database-sqlite3's Introduction

Database-SQLite3

Файл main.py:

Cоздан класс University со следующими атрибутами и методами:
name - имя университета
add_student(name, age) - метод добавления студента.
add_grade(sudent_id, subject, grade) - метод добавления оценки.
get_students(subject=None) - метод для возврата списка студентов в формате [(Ivan, 26, Python, 4.8), (Ilya, 24, PHP, 4.3)], где subject, если не является None(по умолчанию) и если такой предмет существует, выводит студентов только по этому предмету.

База данных students.db

В базе данных 2 таблицы: students и grades
В таблице students следующие поля: id, name, age
В таблице grades следующие поля: id, student_id, subject, grade

Описание полей:
id - в обоих таблицах обязательно PRIMARY KEY
name - STR
age - INT
subject - STR
grade - FLOAT
student_id - INT (или внешний ключ)

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