diff --git a/week6.py b/week6.py
new file mode 100644
index 0000000..2d769f8
--- /dev/null
+++ b/week6.py
@@ -0,0 +1,84 @@
+class Triangle:
+    def __init__(self,x,y,h):
+        self.x=x
+        self.y=y
+        self.h=h
+
+    def ucgenin_cevresi(self):
+        return self.x+self.y+self.h
+    def ucgenin_alani(self):
+        return self.x*self.h*0.5
+
+Triangle_New=Triangle(3,4,5)
+print ("Ucgenin_Cevresi :", Triangle_New.ucgenin_cevresi())
+print ("Ucgenin_Alani   :", Triangle_New.ucgenin_alani())
+
+class Rectangle:
+    def __init__(self,k_a,u_b):
+        self.k_a=k_a
+        self.u_b=u_b
+
+    def dikdortgenin_cevresi(self):
+        return 2*(self.k_a+self.u_b)
+
+    def dikdortgenin_alani(self):
+        return self.k_a*self.u_b
+
+Rectangle_New=Rectangle(3,4)
+print ("Dikdortgenin_Cevresi :", Rectangle_New.dikdortgenin_cevresi())
+print ("Dikdortgenin_Alani   :", Rectangle_New.dikdortgenin_alani())
+
+
+class Square(Rectangle):
+    def __init__(self,k_a):
+        super().__init__(k_a,k_a)
+
+    def karenin_cevresi(self):
+        return 4*self.k_a
+
+    def karenin_alani(self):
+        return self.k_a*self.k_a
+
+Square_New=Square(3)
+print ("Karenin_Cevresi :", Square_New.karenin_cevresi())
+print ("Karenin_Alani   :", Square_New.karenin_alani())
+
+class Cube(Square):
+    def __init__(self,k_a):
+        super().__init__(k_a)
+
+    def kupun_alani(self):
+        return 6*(self.k_a**2)
+
+    def kupun_hacmi(self):
+        return self.k_a*self.k_a*self.k_a
+
+Cube_New=Cube(4)
+print ("Kupun Hacmi   :", Cube_New.kupun_hacmi())
+print ("Kupun Alani   :", Cube_New.kupun_alani())
+
+class Pyramid(Square,Triangle):
+    def __init__(self,k_a,h):
+        self.k_a=k_a
+        self.h=h
+
+    def Pyramidin_Hacmi(self):
+        return (self.k_a**2)*self.h*1/3
+Pyramid_New=Pyramid(3,4)
+
+print("Pyramidin_Hacmi:",Pyramid_New.Pyramidin_Hacmi())
+
+
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+