diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..94a25f7
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/homework_7.py b/homework_7.py
new file mode 100644
index 0000000..086c9dc
--- /dev/null
+++ b/homework_7.py
@@ -0,0 +1,176 @@
+# # Task 1
+#
+#
+# class Matrix:
+#     my_list = []
+#
+#     def __init__(self, my_list):
+#         self.list = my_list
+#
+#     def __str__(self):
+#         print(' ')
+#         res = ''
+#         for i in range(len(self.list)):
+#             res += str(self.list[i]) + '\n'
+#         return res
+#
+#     def __add__(self, other):
+#         res = []
+#         a = self.list
+#         b = other.list
+#         for i in range(len(a)):
+#             if i >= len(b):
+#                 b.append([])
+#             res.append([])
+#             for j in range(len(a[i])):
+#                 if j >= len(b[i]):
+#                     b[i].append(0)
+#                 res[i].append(a[i][j] + b[i][j])
+#         return Matrix(res)
+#
+#
+# matrix1 = Matrix([[1, 5, 9], [1, 4, 5], [4, 8, 9]])
+# print(matrix1)
+#
+# matrix2 = Matrix([[1, 5, 7], [6, 8, 9]])
+# print(matrix2)
+#
+# matrix3 = matrix1 + matrix2
+# print(matrix3)
+
+# # Task 2
+#
+#
+# from abc import ABC, abstractmethod
+#
+#
+# class Clothes(ABC):
+#
+#     def __init__(self, name):
+#         self.n = name
+#         self.s = None
+#
+#     @property
+#     def name(self):
+#         return self.n
+#
+#     @abstractmethod
+#     def get_s(self):
+#         pass
+#
+# class Coat(Clothes):
+#     def __init__(self, name, v):
+#         super().__init__(name)
+#         self.v = v
+#
+#     @property
+#     def v(self):
+#         return self.__v
+#
+#     @v.setter
+#     def v(self, v):
+#         if v < 30:
+#             self.__v = 30
+#         elif v > 62:
+#             self.__v = 62
+#         else:
+#             self.__v = v
+#
+#     def get_s(self):
+#         self.s = (self.__v / 6.5) + 0.5
+#         return self.s
+#
+#
+# class Suit(Clothes):
+#     def __init__(self, name, h):
+#         super().__init__(name)
+#         self.h = h
+#
+#     @property
+#     def h(self):
+#         return self.__h
+#
+#     @h.setter
+#     def h(self, h):
+#         if h < 120:
+#             self.__h = 120
+#         elif h > 220:
+#             self.__h = 220
+#         else:
+#             self.__h = h
+#
+#     def get_s(self):
+#         self.s = (2 * self.__h) + 0.3
+#         return self.s
+#
+#
+# class Collection:
+#     def __init__(self):
+#         self.my_list = []
+#         self.s = 0
+#
+#     def add_clothes(self, my_clothes: Clothes):
+#         self.my_list.append(my_clothes)
+#         self.s += my_clothes.get_s()
+#
+#     def __str__(self):
+#         my_string = ''
+#         for el in self.my_list:
+#             my_string += 'Площадь ткани для ' + el.name + ' равна ' + str(round(el.get_s(), 2)) + '\n'
+#         my_string = my_string + 'Суммарная площадь ткани для всей коллекции равна ' + str(round(self.s, 2))
+#         return my_string
+#
+#
+# m_list = Collection()
+# m_list.add_clothes(Coat('green coat', 46))
+# m_list.add_clothes(Suit('striped suit', 182))
+# # print(m_list.s)
+# print(m_list)
+
+
+# Task 3
+
+class Cell:
+    def __init__(self, n):
+        self.n = n
+
+    def __str__(self):
+        return f' n = {self.n}'
+
+    def __add__(self, other):
+        return Cell(self.n + other.n)
+
+    def __sub__(self, other):
+        if self.n > other.n:
+            return Cell(self.n - other.n)
+        else:
+            return 'Разность количества ячеек двух клеток должна быть больше нуля'
+
+    def __mul__(self, other):
+        return Cell(self.n * other.n)
+
+    def __truediv__(self, other):
+        if other.n != 0:
+            return Cell(self.n // other.n)
+        else:
+            return 'Количество ячеек клетки - делителя должна быть больше нуля'
+
+    def make_order(self, number):
+        if number > 0:
+            k = self.n // number
+            ost = self.n % number
+            my_str = '*' * number
+            last_str = '*' * ost
+            for i in range(k):
+                print(my_str)
+            print(last_str)
+
+
+one = Cell(15)
+two = Cell(4)
+print(one + two)
+print(one - two)
+print(one * two)
+print(one / two)
+one.make_order(14)
+
diff --git a/homework_8.py b/homework_8.py
new file mode 100644
index 0000000..5ee0008
--- /dev/null
+++ b/homework_8.py
@@ -0,0 +1,223 @@
+# # Task 1
+#
+#
+# class Date:
+#     def __init__(self, date):
+#         self.date = date
+#
+#     @classmethod
+#     def num_date(cls, obj):
+#         my_date = obj.date.split('-')
+#         print(f'число = {int(my_date[0])}, месяц = {int(my_date[1])}, год = {int(my_date[2])}')
+#
+#
+#     @staticmethod
+#     def correct_date(obj):
+#         my_date = obj.date.split('-')
+#         list_31 = [1, 3, 5, 7, 8, 10, 12]
+#         d = int(my_date[0])
+#         m = int(my_date[1])
+#         y = int(my_date[2])
+#         if m == 2 and y % 4 == 0 and d > 29:
+#             print('В феврале високосного года только 29 дней')
+#         elif m == 2 and y % 4 != 0 and d > 28:
+#             print('В феврале невисокосного года только 28 дней')
+#         elif m in list_31 and 1 <= d <= 31 and y > 0:
+#             print('Введенная дата верна')
+#         elif m not in list_31 and 1 <= d <= 30 and y > 0:
+#             print(f'Введенная дата верна.')
+#         else:
+#             print('Введенная дата не верна')
+#
+#
+# a = Date('35-03-2021')
+# b = Date('01-04-2015')
+# Date.num_date(a)
+# Date.correct_date(a)
+# Date.num_date(b)
+# Date.correct_date(b)
+
+
+# # Task 2
+#
+# class DelError(Exception):
+#     def __init__(self, txt):
+#         self.txt = txt
+#
+#
+# a, b = list(map(int, input('Введите делимое и делитель через пробел ').split()))
+#
+# try:
+#     if b == 0:
+#         raise DelError("Делить на ноль нельзя!")
+# except (ZeroDivisionError, DelError) as err:
+#     print(err)
+#     print(1)
+# else:
+#     print(round(a / b, 2))
+
+
+##Task 3
+
+
+# class NumError(Exception):
+#     def __init__(self, txt):
+#         self.txt = txt
+#
+# my_list = []
+# while True:
+#     a = input('Введите элемент списка, для выхода stop ').split()
+#     stop_det = 0
+#     for el in a:
+#         try:
+#             for j in range(len(el)):
+#                 if ord(el[j]) < 48 or ord(el[j]) > 57:
+#                     raise NumError('Необходимо вводить только числа')
+#         except NumError as err:
+#             print(err)
+#             if el.title() == 'Stop':
+#                 stop_det = 1
+#                 break
+#         else:
+#             my_list.append(el)
+#     if stop_det == 1:
+#         break
+#
+# print(my_list)
+
+# Task 4, 5, 6
+
+
+from abc import ABC, abstractmethod
+
+
+class Hardware(ABC):
+    def __init__(self, name, port):
+        self.name = name
+        self.port = port
+
+    @abstractmethod
+    def __str__(self):
+        pass
+
+
+class Printer(Hardware):
+    def __init__(self, name, port, color):
+        super().__init__(name, port)
+        self.color = color
+
+    @property
+    def color(self):
+        return self.__color
+
+    @color.setter
+    def color(self, bool):
+        if bool in ['True', 'true', 'Yes', 'yes', 'y', 'Y', 'да', 'Да', '+', 'color', 'Color', True]:
+            self.__color = True
+        else:
+            self.__color = False
+
+    def __str__(self):
+        if self.__color:
+            return 'Color printer ' + str(self.name) + ' on a tcp port ' + str(self.port)
+        else:
+            return 'Black&White printer ' + str(self.name) + ' on a tcp port ' + str(self.port)
+
+
+class Monitor(Hardware):
+    def __init__(self, name, port, w, h):
+        super().__init__(name, port)
+        self.resolution = str(w) + 'x' + str(h)
+
+    def __str__(self):
+        return 'Monitor ' + str(self.name) + ' on a ' + str(self.port) + ' port ' + self.resolution
+
+
+class Scanner(Hardware):
+    def __init__(self, name, port):
+        super().__init__(name, port)
+
+    def __str__(self):
+        return 'Scanner ' + str(self.name) + ' on a ' + str(self.port) + ' port'
+
+
+class Warehouse:
+    def __init__(self):
+        self.hw_list = []
+        self.count = 0
+
+    def get_count(self):
+        return self.count
+
+    def add_hardware(self, my_hardware: Hardware, qtty):
+        try:
+            for i in range(qtty):
+                self.hw_list.append(my_hardware)
+            self.count += qtty
+        except TypeError:
+            print('Quantity shall be an integer number')
+
+    def move(self, other, ordnum):
+        if len(self.hw_list) >= ordnum:
+            other.add_hardware(self.hw_list[ordnum], 1)
+            print(f'{self.hw_list[ordnum]} is moved successfully')
+            del self.hw_list[ordnum]
+            self.count -= 1
+        else:
+            print('Hardware index is out of range')
+
+    def __str__(self):
+        my_string = ''
+        for el in self.hw_list:
+            my_string += str(el) + '\n'
+        my_string = my_string + 'Total amount of hardware on central warehouse: ' + str(self.count)
+        return my_string
+
+
+central_wh = Warehouse()
+central_wh.add_hardware(Printer('LSB-20', 'usb', 'Да'), 'two')
+central_wh.add_hardware(Monitor('Viewsonic', 'pci-e', 640, 480), 5)
+central_wh.add_hardware(Scanner('HP', 'usb'), 3)
+IT = Warehouse()
+Accounting = Warehouse()
+
+central_wh.move(IT, 4)
+central_wh.move(Accounting, 9)
+
+print('IT:')
+print(IT)
+print('Accounting:')
+print(Accounting)
+print('Whs:')
+print(central_wh)
+
+# # Task 7
+#
+# class Complex:
+#     def __init__(self, re, im):
+#         self.re = re
+#         self.im = im
+#
+#     def __add__(self, other):
+#         return Complex(self.re + other.re, self.im + other.im)
+#
+#     def __mul__(self, other):
+#         return Complex(self.re * other.re - self.im * other.im, self.re * other.im + other.re * self.im)
+#
+#     def __str__(self):
+#         if self.im > 0:
+#             return str(self.re) + '+' + str(self.im) + 'i'
+#         elif self.im < 0:
+#             return str(self.re) + str(self.im) + 'i'
+#         else:
+#             return str(self.re)
+#
+#
+# z = Complex(5, 0)
+# z1 = Complex(5, 4)
+# z2 = Complex(5, -3)
+# print(z)
+# print(z1)
+# print(z2)
+# print(z1 + z2)
+# print(z1 * z2)