diff --git a/Week 4-1.Odev Random Password.py b/Week 4-1.Odev Random Password.py
new file mode 100644
index 0000000..5ba7ab9
--- /dev/null
+++ b/Week 4-1.Odev Random Password.py	
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+
+# Import edilecek kutuphaneler
+from tkinter import *
+import random, string
+
+#Pencere Acilisi
+
+root =Tk()
+root.geometry("400x400")
+root.resizable(0,0)
+root.title("FT SIFRE OLUSTURUCU")
+
+#Baslik
+heading = Label(root, text = 'GENEL SIFRE' , font ='arial 15 bold').pack()
+Label(root, text ='FATIH TURKMEN', font ='arial 15 bold').pack(side = BOTTOM)
+
+
+
+###Sifre Uzunlugu Secimi
+pass_label = Label(root, text = 'SIFRE UZUNLUGU', font = 'arial 10 bold').pack()
+pass_len = IntVar()
+length = Spinbox(root, from_ = 1, to_ = 10 , textvariable = pass_len , width = 15).pack()
+
+
+
+#####Islev Tanimlamasi
+
+pass_str = StringVar()
+
+def Generator():
+    password = ''
+    for x in range (0,4):
+        password = random.choice(string.ascii_uppercase)+random.choice(string.ascii_lowercase)+random.choice(string.digits)+random.choice(string.punctuation)
+    for y in range(pass_len.get()- 4):
+        password = password+random.choice(string.ascii_uppercase + string.ascii_lowercase + string.digits + string.punctuation)
+    pass_str.set(password)
+   
+
+
+###Button Tanimlamasi
+
+Button(root, text = "SIFRE OLUSTUR" , command = Generator ).pack(pady= 5)
+
+Entry(root , textvariable = pass_str).pack()
+
+
+
+
+
+# loop to run program
+root.mainloop()
diff --git a/Week 4-2.Odev The Least Common Multiple.py b/Week 4-2.Odev The Least Common Multiple.py
new file mode 100644
index 0000000..5c8e7cb
--- /dev/null
+++ b/Week 4-2.Odev The Least Common Multiple.py	
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+import math
+while(True):
+    try:
+        num_1 = int(input('num_1:'))
+        num_2 = int(input('num_2:'))
+        num_3 = int(input('num_3:'))
+        num_4 = int(input('num_4:'))
+        okek = math.lcm(num_1, num_2, num_3, num_4)
+
+        print('L.C.M.....=', okek)
+        break
+    except (ValueError):
+        print('lUTFEN GIRISLERINIZI TEKRAR YAPINIZ YANLIS DEGER GIRDINIZ.......')
+
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diff --git a/Week 4-3.Odev Number Guessing Game.py b/Week 4-3.Odev Number Guessing Game.py
new file mode 100644
index 0000000..e8356d6
--- /dev/null
+++ b/Week 4-3.Odev Number Guessing Game.py	
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+import random
+import time
+
+tahminler = 0
+print('Lutfen isminizi giriniz....')
+basla = time.time()
+
+kullanicinin_ismi = input('Isim-Soyisim...:')
+numara = random.randint(1, 20)
+print(kullanicinin_ismi + ', Ben 1 ile 20 arasinda bir sayi tuttum')
+while tahminler < 6:
+    print('Benin tutdugum sayiyi bulmak icin bir tahmininde bulunurmusun....') # There are four spaces in front of print.
+    tahmin = input('Tahmin griniz...:')
+    tahmin = int(tahmin)
+    tahminler = tahminler + 1
+    if tahmin < numara:
+        print('Senin tutdugun sayi benim tutdugum sayimdan dusuk.') # There are eight spaces in front of print.
+    if tahmin > numara:
+        print('Senin tutdugun sayi benim tutdugum sayimdan yuksek.')
+    if tahmin == numara:
+        break
+if tahmin == numara:
+    tahminler = str(tahminler)
+    print('Harika, ' + kullanicinin_ismi + '! Tutdugum sayiyi buldunuz ' + tahminler + ' Tahminde!')
+if tahmin != numara:
+    numara = str(numara)
+    print('HAYIR TAHMIN ETTIGIM SAYIYI BULAMADINIZ, tahmin ettigim sayi:' + numara)
+son = int(time.time()-basla)
+print("Toplam tahmin sureniz: {} Saniye".format(son))
diff --git a/Week 4-4.Odev Mis Calculator.py b/Week 4-4.Odev Mis Calculator.py
new file mode 100644
index 0000000..c2a39a5
--- /dev/null
+++ b/Week 4-4.Odev Mis Calculator.py	
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+import toplama as tp
+import cikarma as ck
+import bolme as bl
+import carpma as cr
+print("Lutfen yapmak istediginiz islemi seciniz.......")
+print("1.Toplama")
+print("2.Cikarma")
+print("3.Carpma")
+print("4.Bolme")
+while True:
+    secim = input("Lutfen yapiniz (1/2/3/4): ")
+    try:
+        if secim in ('1', '2', '3', '4'):
+            num1 = float(input("Ilk sayiyi giriniz: "))
+            num2 = float(input("Ikinci sayiyi giriniz: "))
+            if secim == '1':
+                topla=tp.tpl.toplama(num1,num2)
+                print(num1, "+", num2, "=", topla)
+            elif secim == '2':
+                cikar = ck.ckm.cikarma(num1, num2)
+                print(num1, "-", num2, "=",cikar )
+            elif secim == '3':
+                carp = cr.crp.carpma(num1, num2)
+                print(num1, "*", num2, "=", carp)
+            elif secim == '4':
+                bol = bl.blm.bolme(num1, num2)
+                print(num1, "/", num2, "=", bol)
+        else:
+            print("Yanlis secim lutfen tekrar deneyiniz...............")
+
+        tercih=input('Baska islem yapmak icin x e cikmak icin y ye basiniz......:')
+        if tercih=='y':
+            print('Isleminiz sona ermistir.........')
+            break
+        elif tercih=='x':
+            continue
+        else:
+            tercih=input('Baska islem yapmak icin x e cikmak icin y ye basiniz......:')
+
+
+
+
+    except (ValueError):
+        print('lUTFEN GIRISLERINIZI TEKRAR YAPINIZ YANLIS DEGER GIRDINIZ.......')
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diff --git a/bolme.py b/bolme.py
new file mode 100644
index 0000000..786f799
--- /dev/null
+++ b/bolme.py
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+class blm:
+    def bolme(x, y):
+        return x / y
\ No newline at end of file
diff --git a/carpma.py b/carpma.py
new file mode 100644
index 0000000..80bc333
--- /dev/null
+++ b/carpma.py
@@ -0,0 +1,3 @@
+class crp:
+    def carpma(x, y):
+        return x * y
\ No newline at end of file
diff --git a/cikarma.py b/cikarma.py
new file mode 100644
index 0000000..865f68e
--- /dev/null
+++ b/cikarma.py
@@ -0,0 +1,3 @@
+class ckm:
+    def cikarma(x, y):
+        return x - y
\ No newline at end of file
diff --git a/toplama.py b/toplama.py
new file mode 100644
index 0000000..543bba0
--- /dev/null
+++ b/toplama.py
@@ -0,0 +1,3 @@
+class tpl:
+    def toplama(x, y):
+        return x + y
\ No newline at end of file