diff --git a/task1.py b/task1.py
new file mode 100644
index 0000000..a4c9931
--- /dev/null
+++ b/task1.py
@@ -0,0 +1,20 @@
+import time
+
+class TrafficLight:
+    def running(self):
+        while True:
+            self.__color = 'красный'
+            self.status()
+            time.sleep(7)
+            self.__color = 'желтый'
+            self.status()
+            time.sleep(2)
+            self.__color = 'зеленый'
+            self.status()
+            time.sleep(10)
+
+    def status(self):
+        print(f'Сейчас горит {self.__color}')
+
+traffic_light = TrafficLight()
+traffic_light.running()
diff --git a/task2.py b/task2.py
new file mode 100644
index 0000000..fb0caa1
--- /dev/null
+++ b/task2.py
@@ -0,0 +1,17 @@
+class Road:
+    weight = 25  # кг асфальта, для покрытия 1 кв. метра полотна
+
+    def __init__(self, width, length):
+        self._width = width
+        self._length = length
+
+    def calc(self, weight, depth):
+        return self._length * self._width * self.weight * depth
+
+width = 20  # ширина полотна
+length = 5000  # длинна дороги в метрах
+road_1 = Road(width, length)
+
+depth = 5  # см толщины полотна
+print(f'масса асфальта для  покрытия {depth} см полотна, длинной {round(length/1000, 2)} км,'
+      f'и шириной {width} м - {round(road_1.calc(25, 5) / 1000, 3)} т.')
\ No newline at end of file
diff --git a/task3.py b/task3.py
new file mode 100644
index 0000000..604fa94
--- /dev/null
+++ b/task3.py
@@ -0,0 +1,21 @@
+class Worker:
+
+    def __init__(self, name, surname, position, _income):
+        self.name = name
+        self.surname = surname
+        self.position = position
+        self._income = _income
+
+
+class Position(Worker):
+
+    def get_full_name(self):
+        return self.name + ' ' + self.surname
+
+    def get_total_income(self):
+        return int(self._income['wage']) + int(self._income['bonus'])
+
+
+man_1 = Position('Вася', 'Пупкин', 'Бухгалтер', {'wage': 100, 'bonus': 50})
+print(f'Сотрудника зовут - {man_1.get_full_name()}!')
+print(f'Он получает - {man_1.get_total_income()}тр в месяц')
diff --git a/task4.py b/task4.py
new file mode 100644
index 0000000..7a2d839
--- /dev/null
+++ b/task4.py
@@ -0,0 +1,58 @@
+class Car:
+
+    def __init__(self, speed, color, name, is_police):
+        self.speed = speed
+        self.color = color
+        self.name = name
+        self.is_police = is_police
+
+    def go(self):
+        print('Машина поехала')
+
+    def stop(self):
+        print('Машина остановилась')
+
+    def tern(self, direction):
+        print(f'Машина повернула {direction}')
+
+    def show_speed(self):
+        print(self.speed)
+
+
+class TownCar(Car):
+
+    def show_speed(self):
+        if (int(self.speed) > 60):
+            print('Превышена скорость!')
+        Car.show_speed(self)
+
+
+class SportCar(Car):
+    pass
+
+
+class WorkCar(Car):
+    def show_speed(self):
+        if (int(self.speed) > 60):
+            print('Превышена скорость!')
+        Car.show_speed(self)
+
+
+class PoliceCar(Car):
+
+    def __init__(self, *args):
+        Car.__init__(self, *args)
+        self.is_police = True
+
+
+car1 = TownCar(35, 'red', 'lada', False)
+car1.go()
+car1.show_speed()
+car2 = TownCar(75, 'white', 'kia', False)
+car2.show_speed()
+car3 = WorkCar(35, 'black', 'maz', False)
+car3.show_speed()
+car4 = SportCar(135, 'red', 'ferarry', False)
+car4.show_speed()
+car5 = PoliceCar(125, 'blue', 'policy', True)
+car5.show_speed()
diff --git a/task5.py b/task5.py
new file mode 100644
index 0000000..2e6b5ea
--- /dev/null
+++ b/task5.py
@@ -0,0 +1,29 @@
+class Stationery:
+
+    def __init__(self, title):
+        self.title = title
+
+    def draw(self):
+        print('Запуск отрисовки.')
+
+
+class Pen(Stationery):
+    def draw(self):
+        Stationery.draw(self)
+        print(f'{self.title} рисует круг!')
+
+
+class Pencil(Stationery):
+    def draw(self):
+        Stationery.draw(self)
+        print(f'{self.title} рисует квадрат!')
+
+
+class Handle(Stationery):
+    def draw(self):
+        Stationery.draw(self)
+        print(f'{self.title} рисует треугольник!')
+
+pen = Pen('Ручка').draw()
+pen = Pencil('Карандаш').draw()
+pen = Handle('Маркер').draw()
\ No newline at end of file