---

8==============================
    <h1>Задание 8</h1>
    <?php
    $schedule = [
        "Понедельник" => ["Математика (ауд. 10)", "Информатика (ауд. 5)"],
        "Вторник" => ["История (ауд. 12)", "Литература (ауд. 3)"],
        "Среда" => ["Физика (ауд. 8)", "Химия (ауд. 4)", "Английский язык (ауд. 15)"],
        "Четверг" => ["Физкультура (Спортзал)"],
        "Пятница" => ["Биология (ауд. 7)", "География (ауд. 9)"]
    ];
    echo "<table border='1' cellpadding='5'";
    echo "<tr><th>День недели</th><th>Занятия</th></tr>";
    foreach($schedule as $day => $lessons) {
        echo "<tr>";
        echo "<td> $day </td>";
        echo "<td>";
        foreach ($lessons as $lesson) {
            echo "$lesson <br>";
        }
        echo "</td>";
        echo "</tr>";
    }
    echo "</table>";
    ?>
9==========================================
    <h1>Задание 9</h1>
    <?php
    $students = [
        ["name" => "Анна", "age" => 18, "grades" => [5, 4, 5]],
        ["name" => "Борис", "age" => 17, "grades" => [5, 3, 3]],
        ["name" => "Виктория", "age" => 19, "grades" => [2, 4, 4]]
    ];
    function printStudentsInfo($studentsArray) {
        foreach($studentsArray as $student) {
            $name = $student["name"];
            $age = $student["age"];
            $grades = $student["grades"];
            $avg = array_sum($grades)/count($grades);
            $formAvg = number_format($avg, 2);
            echo "$name, $age лет, средний балл: $formAvg <br>";
        }
    }
    printStudentsInfo($students);
    ?>