diff --git a/1.py b/1.py
new file mode 100644
index 0000000..a07f58e
--- /dev/null
+++ b/1.py
@@ -0,0 +1,36 @@
+
+class Matrix():
+    def __init__(self, in_li_lists):
+        self.main_li = in_li_lists
+
+    def __str__(self):
+        res = ''
+        for i in self.main_li:
+            res += '\n'
+            for j in i:
+                res += f"{j} "
+        return res
+
+
+class Matrix2(Matrix):
+
+    def __add__(self, new):
+        new_matrix = []
+        for num_i, i in enumerate(self.main_li):
+            inner_li = []
+            for num_j, j in enumerate(i):
+                inner_li.append(j+new.main_li[num_i][num_j])
+            new_matrix.append(inner_li)
+
+        return Matrix(new_matrix)
+
+
+li_lists = [[1, 2, 3, 4, 5], [2, 5, 76, 72]]
+mx = Matrix(li_lists)
+# print(mx)  # test __str__
+
+
+mx1 = Matrix2([[1, 2, 3, 4, 5], [2, 5, 76, 72]])
+mx2 = Matrix2([[1, 1, 1, 1, 1], [1, 1, 1, 1]])
+mx3 = mx1 + mx2
+print(mx3)  # test __add__
diff --git a/2.py b/2.py
new file mode 100644
index 0000000..1490ca5
--- /dev/null
+++ b/2.py
@@ -0,0 +1,53 @@
+from abc import abstractmethod
+
+class Clothes():
+    def __init__(self, name, param):
+        self.name = name
+        self.param = param
+
+    def __str__(self):
+        return f'{self.name} size {self.param}'
+
+    @abstractmethod
+    def rate_textile(self):
+        self.all_textile = 2*self.param + 0.3
+        return self.all_textile
+
+    def __add__(self, Clothes):
+        return self.all_textile + Clothes.all_textile
+
+
+
+class Coat(Clothes):
+    # def __init__(self, name, param):
+        # super().__init__(f'   zzzz {name}', param)
+        # Clothes.name = f'   zzzz {name}'
+        # Clothes.param = param
+    @property
+    def rate_textile(self):
+        self.all_textile = self.param/6.5 + 0.5
+        return self.all_textile
+
+
+
+
+class Suit(Clothes):
+    @property
+    def rate_textile(self):
+        self.all_textile = 2*self.param + 0.3
+        return self.all_textile
+
+
+
+
+
+
+
+
+co = Coat('пальто', 44)
+su = Suit('костюм', 42)
+print(co.rate_textile)  # test property
+print(su.rate_textile)  # test property
+
+all = co + su
+print(all)
diff --git a/3.py b/3.py
new file mode 100644
index 0000000..6a27c60
--- /dev/null
+++ b/3.py
@@ -0,0 +1,46 @@
+class Cage():
+    def __init__(self, quantity):
+        self.quantity = quantity
+
+    def __str__(self):
+        return f'{Cage} quantity -  {self.quantity}'
+
+    def __add__(self, new):
+        new_quantity = self.quantity + new.quantity
+        return Cage(new_quantity)
+
+    def __sub__(self, new):
+        res = self.quantity - new.quantity
+        if res > 0:
+            return res
+        else:
+            print('error pirnt!!!!!!!!')
+
+    def __mul__(self, new):
+        new_quantity = self.quantity * new.quantity
+        return Cage(new_quantity)
+
+    def __truediv__(self, new):
+        new_quantity = int(self.quantity / new.quantity)
+        return Cage(new_quantity)
+
+    def make_order(self, value):
+        count = 0
+        res = ''
+        for i in range(self.quantity):
+            res += '*'
+            count += 1
+            if count == value:
+                res += '\n'
+                count = 0
+        return res
+
+
+c1 = Cage(10)
+c2 = Cage(2)
+
+c3 = c1 / c2
+# print(c3)
+c4 = Cage(20)
+res = c4.make_order(5)
+print(res)