diff --git a/gb-python-ls7-1.py b/gb-python-ls7-1.py
new file mode 100644
index 0000000..8126a2f
--- /dev/null
+++ b/gb-python-ls7-1.py
@@ -0,0 +1,34 @@
+class Matrix:
+    def __init__(self, list_1, list_2):
+        # self.matr = [list_1, list_2]
+        self.list_1 = list_1
+        self.list_2 = list_2
+
+    def __add__(self):
+        matr = [[0, 0, 0],
+                [0, 0, 0],
+                [0, 0, 0]]
+
+        for i in range(len(self.list_1)):
+
+            for j in range(len(self.list_2[i])):
+                matr[i][j] = self.list_1[i][j] + self.list_2[i][j]
+
+        return str('\n'.join(['\t'.join([str(j) for j in i]) for i in matr]))
+
+
+    def __str__(self):
+        return str('\n'.join(['\t'.join([str(j) for j in i]) for i in matr]))
+
+
+
+my_matrix = Matrix([[5, 18, 11],
+                    [6, 17, 23],
+                    [41, 50, 9]],
+                   [[45, 8, 2],
+                    [6, 7, 93],
+                    [24, 5, 97]])
+# result = [[0, 0, 0], [0, 0, 0], [0, 0, 0]]
+
+
+print(my_matrix.__add__())
diff --git a/gb-python-ls7-2.py b/gb-python-ls7-2.py
new file mode 100644
index 0000000..2887878
--- /dev/null
+++ b/gb-python-ls7-2.py
@@ -0,0 +1,42 @@
+class Textil:
+    def __init__(self, width, height):
+        self.width = width
+        self.height = height
+
+    def get_square_c(self):
+        return self.width / 6.5 + 0.5
+
+    def get_square_j(self):
+        return self.height * 2 + 0.3
+
+    @property
+    def get_sq_full(self):
+        return str(f'Общая площадь ткани: \n'
+                   f' {(self.width / 6.5 + 0.5) + (self.height * 2 + 0.3)}')
+
+
+class Coat(Textil):
+    def __init__(self, width, height):
+        super().__init__(width, height)
+        self.square_c = round(self.width / 6.5 + 0.5)
+
+    def __str__(self):
+        return f'Площадь на пальто: {self.square_c}'
+
+
+class Jacket(Textil):
+    def __init__(self, width, height):
+        super().__init__(width, height)
+        self.square_j = round(self.height * 2 + 0.3)
+
+    def __str__(self):
+        return f'Площадь на костюм {self.square_j}'
+
+coat = Coat(2, 4)
+jacket = Jacket(1, 2)
+print(coat)
+print(jacket)
+print(coat.get_sq_full)
+print(jacket.get_sq_full)
+print(jacket.get_square_c())
+print(jacket.get_square_j())
diff --git a/gb-python-ls7-3.py b/gb-python-ls7-3.py
new file mode 100644
index 0000000..e0416aa
--- /dev/null
+++ b/gb-python-ls7-3.py
@@ -0,0 +1,41 @@
+class Cell:
+    def __init__(self, quantity):
+        self.quantity = int(quantity)
+        #self.result = result
+
+    def __str__(self):
+        return f'Результат операции {self.quantity * "*"}'
+
+    def __add__(self, other):
+        # self.result = Cell(self.quantity + other.quantity)
+        return Cell(self.quantity + other.quantity)
+
+    def __sub__(self, other):
+        return self.quantity - other.quantity if (self.quantity - other.quantity) > 0 else print('Отрицательно!')
+
+        # return Cell(int(self.quantity - other.quantity))
+
+    def __mul__(self, other):
+        #self.result = Cell(int(self.quantity * other.quantity))
+        return Cell(int(self.quantity * other.quantity))
+
+    def __truediv__(self, other):
+        #self.result = Cell(round(self.quantity // other.quantity))
+        return Cell(round(self.quantity // other.quantity))
+
+
+    def make_order(self, cells_in_row):
+        row = ''
+        for i in range(int(self.quantity / cells_in_row)):
+            row += f'{"*" * cells_in_row} \\n'
+        row += f'{"*" * (self.quantity % cells_in_row)}'
+        return row
+
+cells1 = Cell(33)
+cells2 = Cell(9)
+print(cells1)
+print(cells1 + cells2)
+print(cells2 - cells1)
+print(cells2.make_order(5))
+print(cells1.make_order(10))
+print(cells1 / cells2)