diff --git a/Question 1 b/Question 1
new file mode 100644
index 0000000..7fcfa22
--- /dev/null
+++ b/Question 1	
@@ -0,0 +1,43 @@
+# QUESTION-1    Create the class Society with following information:
+# society_name, house_no, no_of_members, flat, income
+# Methods : An __init__ method to assign initial values of society_name, flat, house_no, no_of_members, income
+# input_data() To read information from members
+# allocate_flat() To allocate flat according to income using the below table.
+# show_data() to display the details of the entire class.
+
+class Society():
+    def __init__(self,society_name, flat, house_no, no_of_members, income):
+        self.society_name = society_name
+        self.flat = flat
+        self.house_no = house_no
+        self.no_of_members = no_of_members
+        self.income = income
+        
+    def input_data(self):
+        self.society_name = input("Enter the society name: ")
+        self.flat = input("Enter the flat: ")
+        self.house_no = int(input("Enter the house number: "))
+        self.no_of_members = int(input("Enter the number of members: "))
+        self.income = int(input("Enter the income: "))
+        self.allocate_flat()
+    
+    def allocate_flat(self):
+        if self.income>=25000:
+            print("A Type")
+        elif self.income>=20000 and self.income<25000:
+            print("B Type")
+        elif self.income>=15000 and self.income<20000:
+            print("C Type")
+        elif self.income<15000:
+            print("D Type")
+        
+    def show_data(self):
+        print("\nsociety name: ", self.society_name, "\nflat name: ", self.flat, "\nhouse number: ", self.house_no, "\nnumber of members: ", self.no_of_members, "\nincome : ", self.income, "\nflat allocation:")
+        return self.allocate_flat()
+        
+a=Society("","", 0, 0, 0)
+a.input_data()
+a.allocate_flat()
+a.show_data()
+a.allocate_flat()
+a.show_data()
diff --git a/Question 2 b/Question 2
new file mode 100644
index 0000000..e1086a8
--- /dev/null
+++ b/Question 2	
@@ -0,0 +1,37 @@
+# Question 2:
+
+class Iteminfo:
+        
+    def __init__(self,item): #item_code=0, item, price=None, qty=None,net_price=None
+        self.item_code = 0
+        self.item=item
+        self.price = None
+        self.qty = None
+        self.net_price = None
+        self.discount = None
+
+    def buy(self):
+        self.item_code = int(input("Enter the item code: ")) 
+#         self.item = input("Enter the item name " )
+        self.price = int(input("Enter the price: " ))
+        self.qty = int(input("Enter the quantity: " ))
+        
+    def calculate_discount(self):
+        if self.qty <= 10:
+            self.discount = 0
+        elif self.qty<=20 and self.qty>=11:
+            self.discount = 15
+        elif self.qty>20:
+            self.discount = 20
+        self.net_price=(self.price*self.qty - self.discount)
+        return self.net_price
+    
+    def show_all(self):
+        print("\n\nitem code {} \nitem name {} \nprice {} \nquantity {} \ndiscount amount {} \nnet price {}".format(self.item_code, self.item, self.price, self.qty, self.discount, self.net_price))
+
+a=Iteminfo("defter")
+a.buy()
+# a.show_all()
+a.calculate_discount()
+a.show_all()
+                             
diff --git a/Question 3 b/Question 3
new file mode 100644
index 0000000..b99f623
--- /dev/null
+++ b/Question 3	
@@ -0,0 +1,33 @@
+# Question 3:
+
+
+class Product():
+    def __init__(self,product_id,product_name,product_purchase_price,product_sale_price):
+        self.product_id = product_id
+        self.product_name = product_name
+        self.product_purchase_price = product_purchase_price
+        self.product_sale_price =product_sale_price
+        
+    def set_remarks(self):
+        self.margin = self.product_sale_price - self.product_purchase_price
+        if self.margin<0:
+            print("Company is on Loss")
+        elif self.margin>0:
+            print("Company is on Profit")
+        print("Net profit per amount is:", self.margin)
+    
+    def set_details(self):
+        self.product_id = input("product_id: ")
+        self.product_name = input("product_name: ")
+        self.product_purchase_price = int(input("product_purchase_price: "))
+        self.product_sale_price = int(input("product_sale_price: "))
+        self.set_remarks()
+        
+    def get_details(self):
+        print("product_id: ",self.product_id, "\nproduct_name: ", self.product_name,"\nproduct_purchase_price: ",self.product_purchase_price, "\nproduct_sale_price: ", self.product_sale_price)
+
+a=Product(220,"defter",40,50)
+# a.product_name
+# a.set_details()
+a.set_remarks()
+a.get_details()
diff --git a/Question 4 b/Question 4
new file mode 100644
index 0000000..5756677
--- /dev/null
+++ b/Question 4	
@@ -0,0 +1,59 @@
+# 4.odev
+
+class Items():
+    def __init__(self,musteri_kodu):
+        self.musteri_kodu=musteri_kodu
+        self.product =["elma", "muz", "patates", "deterjan"]
+        self.price = {"elma":100, "muz":30,"patates": 50,"deterjan": 120}
+        self.total_price=0
+        self.price_tobe_paid=0
+        self.alinan_urunler=[]
+        self.alinan_miktarlar=[]
+        self.eleman=int(input("kac urun alacaksiniz? "))
+        self.total_discount=0
+#         self.discount=0
+        
+    def __str__(self):
+        print(f"musteri kodu:{self.musteri_kodu} ve urun fiyatlari : {self.price}")
+
+    def calculate_discount(self):
+        for i in range(self.eleman):
+            self.total_price+=self.price[self.alinan_urunler[i]]*self.alinan_miktarlar[i]  #self.katalog[i]
+        if self.total_price >= 4000:
+            self.discount=0.25
+        elif self.total_price >= 2000:
+            self.discount=0.15
+        elif self.total_price < 2000:
+            self.discount=0.1
+        return self.discount
+            
+    def shopping_cart(self):
+        for i in range(self.eleman):
+            self.urunler=input("alacaginiz urunu giriniz: ")
+            self.qty=int(input("alacaginiz urunu miktarini giriniz: "))
+            self.alinan_urunler.append(self.urunler)
+            self.alinan_miktarlar.append(self.qty)
+        return self.alinan_urunler, self.alinan_miktarlar
+            
+    def get_total_amount(self):
+        self.price_tobe_paid = self.total_price*(1-self.discount)
+        self.total_discount=self.total_price*self.discount
+        print(f"toplam odenen:{self.price_tobe_paid} toplam indirim:{self.total_discount}")
+
+class Customer(Items):
+    def __init__(self,musteri_kodu):
+        super().__init__(musteri_kodu)
+        
+    def __str__(self):
+        return f"musteri kodu:{self.musteri_kodu} aldigi urunler {self.alinan_urunler} ve odedigi miktar {self.price_tobe_paid} ve toplam indirim {self.total_discount}"
+        
+a=Items("123")
+a.shopping_cart()
+a.calculate_discount()
+a.get_total_amount()
+b=Customer("123")
+b.shopping_cart()
+b.calculate_discount()
+b.get_total_amount()
+print(b.price_tobe_paid)
+print(b.__str__())
diff --git a/TicTacToe b/TicTacToe
new file mode 100644
index 0000000..e2dcbbb
--- /dev/null
+++ b/TicTacToe
@@ -0,0 +1,54 @@
+#tictactoe oyunu
+import random
+class TicTacToe():
+    
+    def __init__(self):
+        self.ilk = random.choice(["x","y"])
+        self.liste=[0,0,0,0,0,0,0,0,0]
+        
+    def who_starts(self):
+        print("oyuna baslayacak kisi ", self.ilk)
+        print("",self.liste[0],self.liste[1],self.liste[2],"\n",self.liste[3],self.liste[4],self.liste[5],"\n",self.liste[6],self.liste[7],self.liste[8])
+        self.let_play()
+
+    def let_play(self):
+        if self.ilk=="x":
+            for i in range(1,10):
+                if i%2==1:
+                    x=int(input("X numarali oyuncu oynasin: 1-9 arasi"))
+                    self.liste[x-1]="x"
+                    print("",self.liste[0],self.liste[1],self.liste[2],"\n",self.liste[3],self.liste[4],self.liste[5],"\n",self.liste[6],self.liste[7],self.liste[8])
+
+                else:
+                    y=int(input("Y numarali oyuncu oynasin: 1-9 arasi"))
+                    self.liste[y-1]="y"
+                    print("",self.liste[0],self.liste[1],self.liste[2],"\n",self.liste[3],self.liste[4],self.liste[5],"\n",self.liste[6],self.liste[7],self.liste[8])
+
+                if i>4:
+                    if self.liste[:3]==["x","x","x"] or self.liste[3:6]==["x","x","x"] or self.liste[6:9]==["x","x","x"] or self.liste[::3]==["x","x","x"] or self.liste[1::3]==["x","x","x"] or self.liste[2::3]==["x","x","x"] or self.liste[::4]==["x","x","x"] or self.liste[2:7:2]==["x","x","x"] :
+                        print ("kazanan X oldu")
+                        break
+                    elif self.liste[:3]==["y","y","y"] or self.liste[3:6]==["y","y","y"] or self.liste[6:9]==["y","y","y"] or self.liste[::3]==["y","y","y"] or self.liste[1::3]==["y","y","y"] or self.liste[2::3]==["y","y","y"] or self.liste[::4]==["y","y","y"] or self.liste[2:7:2]==["y","y","y"] :                     
+                        print ("kazanan y oldu")
+                        break
+        elif self.ilk=="y":
+            for i in range(1,10):
+                if i%2==0:
+                    x=int(input("X numarali oyuncu oynasin: 1-9 arasi"))
+                    self.liste[x-1]="x"
+                    print("",self.liste[0],self.liste[1],self.liste[2],"\n",self.liste[3],self.liste[4],self.liste[5],"\n",self.liste[6],self.liste[7],self.liste[8])
+
+                else:
+                    y=int(input("Y numarali oyuncu oynasin: 1-9 arasi"))
+                    self.liste[y-1]="y"
+                    print("",self.liste[0],self.liste[1],self.liste[2],"\n",self.liste[3],self.liste[4],self.liste[5],"\n",self.liste[6],self.liste[7],self.liste[8])
+
+                if i>4:
+                    if self.liste[:3]==["x","x","x"] or self.liste[3:6]==["x","x","x"] or self.liste[6:9]==["x","x","x"] or self.liste[::3]==["x","x","x"] or self.liste[1::3]==["x","x","x"] or self.liste[2::3]==["x","x","x"] or self.liste[::4]==["x","x","x"] or self.liste[2:7:2]==["x","x","x"] :
+                        print ("kazanan X oldu")
+                        break
+                    elif self.liste[:3]==["y","y","y"] or self.liste[3:6]==["y","y","y"] or self.liste[6:9]==["y","y","y"] or self.liste[::3]==["y","y","y"] or self.liste[1::3]==["y","y","y"] or self.liste[2::3]==["y","y","y"] or self.liste[::4]==["y","y","y"] or self.liste[2:7:2]==["y","y","y"] :                     
+                        print ("kazanan y oldu")
+                        break                
+a=TicTacToe()
+print(a.who_starts())