diff --git a/03_lesson/__pycache__/address.cpython-313.pyc b/03_lesson/__pycache__/address.cpython-313.pyc
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diff --git a/03_lesson/__pycache__/mailing.cpython-313.pyc b/03_lesson/__pycache__/mailing.cpython-313.pyc
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diff --git a/03_lesson/__pycache__/smartphone.cpython-313.pyc b/03_lesson/__pycache__/smartphone.cpython-313.pyc
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diff --git a/03_lesson/__pycache__/user.cpython-313.pyc b/03_lesson/__pycache__/user.cpython-313.pyc
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diff --git a/03_lesson/address.py b/03_lesson/address.py
new file mode 100644
index 0000000..0bf38a1
--- /dev/null
+++ b/03_lesson/address.py
@@ -0,0 +1,7 @@
+class Address:
+    def __init__(self, index, city, street, house, flat):
+        self.index = index
+        self.city = city
+        self.street = street
+        self.house = house
+        self.flat = flat
diff --git a/03_lesson/lesson_3_task_1.py b/03_lesson/lesson_3_task_1.py
new file mode 100644
index 0000000..acfa1f2
--- /dev/null
+++ b/03_lesson/lesson_3_task_1.py
@@ -0,0 +1,7 @@
+from user import User
+
+my_user = User("Наталья", "Сазонова")
+
+print(my_user.get_first_name())
+print(my_user.get_last_name())
+print(my_user.get_User_info())
diff --git a/03_lesson/lesson_3_task_2.py b/03_lesson/lesson_3_task_2.py
new file mode 100644
index 0000000..78183e0
--- /dev/null
+++ b/03_lesson/lesson_3_task_2.py
@@ -0,0 +1,16 @@
+from smartphone import Smartphone
+
+
+# Создаем список книг (библиотеку)
+catalog = [
+    Smartphone("Samsung", "S24", "+7908888888"),
+    Smartphone("Samsung", "S25", "+7907777777"),
+    Smartphone("Samsung", "Z", "+7906666666"),
+    Smartphone("POCO", "F7", "+7905555555"),
+    Smartphone("POCO", "X7", "+7904444444")
+]
+
+# Печатаем библиотеку
+for smartphone in catalog:
+    print(f"{smartphone.phone_brand} - {smartphone.phone_model} - "
+          f"{smartphone.subscriber_number}")
diff --git a/03_lesson/lesson_3_task_3.py b/03_lesson/lesson_3_task_3.py
new file mode 100644
index 0000000..bdc49c0
--- /dev/null
+++ b/03_lesson/lesson_3_task_3.py
@@ -0,0 +1,17 @@
+from address import Address
+from mailing import Mailing
+
+
+to_address = Address("117042", "Москва", "Венёвская", "5", "2")
+from_address = Address("105037", "Москва", "Измайловская", "20", "40")
+
+
+mailing = Mailing(to_address, from_address, 123, "SG141115188")
+
+
+print(f"Отправление {mailing.track} из {mailing.to_address.index}, "
+      f"{mailing.to_address.city}, {mailing.to_address.street}, "
+      f"{mailing.to_address.house} - {mailing.to_address.flat} в  "
+      f"{mailing.from_address.index}, {mailing.from_address.city}, "
+      f"{mailing.from_address.street}, {mailing.from_address.house} - "
+      f"{mailing.from_address.flat}. Стоимость {mailing.cost} рублей.")
diff --git a/03_lesson/mailing.py b/03_lesson/mailing.py
new file mode 100644
index 0000000..a0351b6
--- /dev/null
+++ b/03_lesson/mailing.py
@@ -0,0 +1,6 @@
+class Mailing:
+    def __init__(self, to_address, from_address, cost, track):
+        self.to_address = to_address
+        self.from_address = from_address
+        self.cost = cost
+        self.track = track
diff --git a/03_lesson/smartphone.py b/03_lesson/smartphone.py
new file mode 100644
index 0000000..1a8e933
--- /dev/null
+++ b/03_lesson/smartphone.py
@@ -0,0 +1,5 @@
+class Smartphone:
+    def __init__(self, phone_brand, phone_model, subscriber_number):
+        self.phone_brand = phone_brand
+        self.phone_model = phone_model
+        self.subscriber_number = subscriber_number
diff --git a/03_lesson/user.py b/03_lesson/user.py
new file mode 100644
index 0000000..ba3acdc
--- /dev/null
+++ b/03_lesson/user.py
@@ -0,0 +1,13 @@
+class User:
+    def __init__(self, first_name: str, last_name: str):
+        self.first_name = first_name
+        self.last_name = last_name
+
+    def get_first_name(self):
+        print(self.first_name)
+
+    def get_last_name(self):
+        print(self.last_name)
+
+    def get_User_info(self):
+        print(f"{self.first_name} + {self.last_name}")