diff --git a/python/src/__init__.py b/python/src/__init__.py
index e69de29..4fea551 100644
--- a/python/src/__init__.py
+++ b/python/src/__init__.py
@@ -0,0 +1,42 @@
+class Gun:
+    def __init__(self, name: str, caliber: float, material: str):
+        self.__name = name
+        self.__caliber = caliber
+        self.__material = material
+        self.check_caliber(caliber)
+
+    def check_caliber(self, caliber: float):
+        if caliber <= 0:
+            print("Некорректный калибр пистолета!")
+        else:
+            self.__caliber = caliber
+
+    
+    def name(self):
+        return self.__name
+
+   
+    def name(self, n: str):
+        self.__name = n
+
+    
+    def caliber(self):
+        return self.__caliber
+
+   
+    def caliber(self, c: float):
+        self.check_caliber(c)
+        self.__caliber = c
+
+ 
+    def material(self):
+        return self.__material
+
+    @material.setter
+    def material(self, m: str):
+        self.__material = m
+
+    def vivod(self):
+        print(f"Название пистолета - {self.__name}")
+        print(f"Калибр пистолета - {self.__caliber}")
+        print(f"Материал пистолета - {self.__material}")
diff --git a/python/src/main.py b/python/src/main.py
index e37a77c..fed35c9 100644
--- a/python/src/main.py
+++ b/python/src/main.py
@@ -1,7 +1,5 @@
-def summ(a: int, b: int) -> int:
-    return a + b
-
+import __init__
 
 if __name__ == "__main__":
-    print("Hello world")
-    print(summ(3, 4))
+    gun1 = __init__.Cat("Colt", 9, "Steel")
+    gun1.vivod()
diff --git a/python/tests/test_main.py b/python/tests/test_main.py
index 0280a2e..8b13789 100644
--- a/python/tests/test_main.py
+++ b/python/tests/test_main.py
@@ -1,37 +1 @@
-import unittest
-from src import main
 
-
-class SummTests(unittest.TestCase):
-
-    def test_positive(self):
-        res = main.summ(2, 3)
-        self.assertEqual(5, res)
-
-    def test_zero(self):
-        res = main.summ(0, 0)
-        self.assertEqual(0, res)
-
-    def test_one_negative(self):
-        res = main.summ(-2, 3)
-        self.assertEqual(1, res)
-
-    def test_both_negative(self):
-        res = main.summ(-2, -4)
-        self.assertEqual(-6, res)
-
-    def test_one_negative_zero_res(self):
-        res = main.summ(-2, 2)
-        self.assertEqual(0, res)
-
-    def test_one_negative_and_text(self):
-        try:
-            main.summ(-2, "2")
-        except:
-            self.assertTrue(True)
-            return
-        self.fail()
-
-
-if __name__ == '__main__':
-    unittest.main()