diff --git a/Iteminfo.py b/Iteminfo.py
new file mode 100644
index 0000000..598307d
--- /dev/null
+++ b/Iteminfo.py
@@ -0,0 +1,33 @@
+class Item_Info:
+
+    def __init__(self ,item, item_code=0,price = None,qty=None,discount=None,net_price=None):
+        self.item_code = item_code
+        self.item = item
+        self.price = price
+        self.qty = qty
+        self.discount = discount
+        self.net_price = net_price
+
+    def calculate_discount(self):
+        if self.qty <= 10:
+            self.discount = 0
+        elif 11 <= self.qty <20:
+            self.discount = self.price*0.15
+        elif self.qty >= 20:
+            self.discount = self.price*0.20
+
+    def Buy(self):
+        self.qty = int(input("How many do you want to buy?:"))
+        self.item_code = input("Enter an item code:")
+        self.price = int(input('enter the price:'))
+        self.calculate_discount() 
+        self.net_price = (self.price-self.discount)
+        return self.net_price   
+
+
+    def show_all(self):
+        return f"Item name is {self.item},item code is {self.item_code},price is {self.price},quantity is {self.qty},discount is {self.discount},net price is {self.net_price}"
+i = Item_Info('chocolade')
+i.Buy()
+#i.calculate_discount()
+print(i.show_all())
\ No newline at end of file
diff --git a/Numbers.py b/Numbers.py
new file mode 100644
index 0000000..bb198e1
--- /dev/null
+++ b/Numbers.py
@@ -0,0 +1,33 @@
+
+
+
+class Numbers():
+    multiplier=2
+
+    def __init__(self,x,y):
+        self.x = x
+        self.y = y
+
+    def add(self):
+        return self.x+ self.y
+   
+    def subtract(self,b,c):
+        self.b = b
+        self.c = c
+        return self.b - self.c
+
+    def value(self):
+        return (self.x,self.y)
+
+    def multiply(cls,a):
+        return cls.multiplier*a
+
+    def value(self):
+        return (self.x ,self.y)
+
+
+numbers = Numbers(3,2)
+print(numbers.add())
+print(numbers.multiply(3))
+print(numbers.subtract(5,2))
+print(numbers.value())
\ No newline at end of file
diff --git a/employee.py b/employee.py
new file mode 100644
index 0000000..0b58480
--- /dev/null
+++ b/employee.py
@@ -0,0 +1,15 @@
+class Employee:
+    new_id = 1
+
+    def __init__(self):
+        self.id =Employee.new_id
+        Employee.new_id+=1
+
+    def say_id(self):
+        return f"My id is  {self.id}"
+
+e1 = Employee()
+e2 = Employee()
+
+print(e1.say_id())
+print(e2.say_id())
\ No newline at end of file
diff --git a/society.py b/society.py
new file mode 100644
index 0000000..969c0c3
--- /dev/null
+++ b/society.py
@@ -0,0 +1,28 @@
+class Society:
+
+    def __init__(self,society_name,house_no,no_fo_members,income):
+        self.society_name = society_name
+        self.house_no = house_no
+        self.no_fo_members = no_fo_members
+        self.income = income
+
+    def allocate_flat(self):
+        if self.income >= 25000:
+            return "flat A"
+        elif 20000 <= self.income < 25000:
+            return "flat B"
+        elif 15000 <= self.income < 20000:
+            return "flat C"
+        else:
+            return "flat D"
+
+    def show_data(self):
+        print(f"Society name is {self.society_name},house no is {self.house_no}, number of family members are {self.no_fo_members}, income is {self.income}")
+
+family_1 = Society("aydin",24,5,10000)
+family_2 = Society("cetin", 26,4,16000)
+family_3 = Society("cakir", 22,3,21000)
+family_4 = Society("kara",21,3,25000)
+
+print(family_1.allocate_flat())
+family_1.show_data()
\ No newline at end of file
diff --git a/vehicle.py b/vehicle.py
new file mode 100644
index 0000000..ae651d0
--- /dev/null
+++ b/vehicle.py
@@ -0,0 +1,28 @@
+class Vehicle:
+    
+    def __init__(self,name,max_speed,mileage):
+        self.name = name
+        self.max_speed =max_speed
+        self.mileage = mileage
+
+    def __str__(self):
+        print(f"Vehicle model {self.name} has max speed {self.max_speed} and mileage {self.mileage}")
+
+class Bus(Vehicle):
+
+    def __init__(self,name , max_speed ,mileage, capacity):
+        super().__init__(name,max_speed,mileage)
+        self.capacity = capacity
+
+    def __str__(self):
+        print(f"Vehicle model {self.name} has max speed {self.max_speed} and mileage {self.mileage} with capacity {self.capacity}")
+
+    def update_capacity(self,a):
+        self.capacity = a
+
+bus_1 =Bus('Minibus',150,1000,50)
+bus_1.update_capacity(60)
+vehicle_1 = Vehicle('honda',300 ,10000)
+vehicle_1.__str__()
+bus_1.__str__()
+    
\ No newline at end of file