diff --git a/students/Hebdowska_Grazyna/lesson_13/Selective_shallow_compare .py b/students/Hebdowska_Grazyna/lesson_13/Selective_shallow_compare .py
new file mode 100644
index 000000000..e2cd08255
--- /dev/null
+++ b/students/Hebdowska_Grazyna/lesson_13/Selective_shallow_compare .py	
@@ -0,0 +1,28 @@
+class Car:
+
+    def __init__(self, name, colour, age):
+        self.name = name
+        self.colour = colour
+        self.age = age
+
+
+def compare(object1, object2, atribute_names):
+    object1_atr = []
+    object2_atr = []
+    for i in atribute_names:
+        object1_atr.append(getattr(object1, i))
+        object2_atr.append(getattr(object2, i))
+    if object1_atr == object2_atr:
+        print("Atributes are equal")
+    else:
+        print("Atributes are not equal")
+
+
+def main():
+    auto1 = Car("fiat", "white", 2)
+    auto2 = Car("fiat", "red", 2)
+    compare(auto1, auto2, ["age", "colour"])
+
+
+if __name__ == '__main__':
+    main()
diff --git a/students/Hebdowska_Grazyna/lesson_13/circle.py b/students/Hebdowska_Grazyna/lesson_13/circle.py
new file mode 100644
index 000000000..3de49338f
--- /dev/null
+++ b/students/Hebdowska_Grazyna/lesson_13/circle.py
@@ -0,0 +1,109 @@
+import math
+
+
+class Point:
+
+    def __init__(self, x, y):
+        self.x = x
+        self.y = y
+
+
+class Circle:
+
+    def __init__(self, center, radius):
+        self.center = center
+        self.radius = radius
+
+
+class Rectangle:
+
+    def __init__(self, one_corner, height, width):
+        self.one_corner = one_corner
+        self.height = height
+        self.width = width
+
+
+def distance(point1, point2):
+    return math.sqrt((point1.x - point2.x) ** 2 + (point1.y - point2.y) ** 2)
+
+
+def point_in_circle(circle, point):
+    if distance(circle.center, point) <= circle.radius:
+        return True
+    else:
+        return False
+
+
+def corner_point(rectangle):
+    secound = Point
+    third = Point
+    fourth = Point
+    secound.x = rectangle.one_corner.x
+    secound.y = rectangle.one_corner.y + rectangle.height
+    third.x = rectangle.one_corner.x + rectangle.width
+    third.y = secound.y
+    fourth.x = third.x
+    fourth.y = rectangle.one_corner.y
+    return secound, third, fourth
+
+
+def rect_in_circle(circle, rectangle):
+    p1 = rectangle.one_corner
+    p2, p3, p4 = corner_point(rectangle)
+    if distance(circle.center, p1) > circle.radius:
+        return False
+    elif distance(circle.center, p2) > circle.radius:
+        return False
+    elif distance(circle.center, p3) > circle.radius:
+        return False
+    elif distance(circle.center, p4) > circle.radius:
+        return False
+    else:
+        return True
+
+
+def rect_circle_overlap(cicle, rectangle):
+    p1 = rectangle.one_corner
+    p2, p3, p4 = corner_point(rectangle)
+    if distance(cicle.center, p1) < cicle.radius:
+        return True
+    elif distance(cicle.center, p2) < cicle.radius:
+        return True
+    elif distance(cicle.center, p3) < cicle.radius:
+        return True
+    elif distance(cicle.center, p4) < cicle.radius:
+        return True
+    else:
+        return False
+
+
+def main():
+    circle_center = Point(150, 100)
+    circle = Circle(circle_center, 75)
+    one_corner = Point(1, 50)
+    rectangle = Rectangle(one_corner, 20, 50)
+    point = Point(9, 120)
+    if point_in_circle(circle, point):
+        print("the Point lies in"
+              " or on the boundary of the circle.")
+    else:
+        print("the Point doesn't lay"
+              " in or on the boundary of the circle.")
+
+    if rect_in_circle(circle, rectangle):
+        print("the Rectangle lies entirely"
+              " in or on the boundary of the circle.")
+    else:
+        print("the Rectangle doesn't lay entirely"
+              " in or on the boundary of the circle.")
+
+    if rect_circle_overlap(circle, rectangle):
+        print("some of the corners"
+              " of the Rectangle fall inside the circle")
+    else:
+        print("the corners of the Rectangle"
+              " are outside the circle")
+
+
+if __name__ == '__main__':
+    main()
diff --git a/students/Hebdowska_Grazyna/lesson_13/object_inspector_1.py b/students/Hebdowska_Grazyna/lesson_13/object_inspector_1.py
new file mode 100644
index 000000000..f524849f0
--- /dev/null
+++ b/students/Hebdowska_Grazyna/lesson_13/object_inspector_1.py
@@ -0,0 +1,21 @@
+class Car:
+
+    def __init__(self, name, colour, age):
+        self.name = name
+        self.colour = colour
+        self.age = age
+
+
+def create_dictionary(object):
+    new_dictionary = object.__dict__
+    for i in new_dictionary.keys():
+        print("key=", i, "value=", new_dictionary[i])
+
+
+def main():
+    auto = Car("fiat", "white", 2)
+    create_dictionary(auto)
+
+
+if __name__ == '__main__':
+    main()
diff --git a/students/Hebdowska_Grazyna/lesson_13/object_inspector_2.py b/students/Hebdowska_Grazyna/lesson_13/object_inspector_2.py
new file mode 100644
index 000000000..8b8d355b8
--- /dev/null
+++ b/students/Hebdowska_Grazyna/lesson_13/object_inspector_2.py
@@ -0,0 +1,25 @@
+class Car:
+    def __init__(self, name, colour, age):
+        self.name = name
+        self.colour = colour
+        self.age = age
+
+
+def create_dictionary(object):
+    new_dictionary = object.__dict__
+    for i in new_dictionary.keys():
+        if isinstance(new_dictionary[i], int):
+            print("key=", i, "value=", new_dictionary[i])
+        elif isinstance(new_dictionary[i], float):
+            print("key=", i, "value=", new_dictionary[i])
+        elif isinstance(new_dictionary[i], str):
+            print("key=", i, "value=", new_dictionary[i])
+
+
+def main():
+    auto = Car("fiat", "white", 2)
+    create_dictionary(auto)
+
+
+if __name__ == '__main__':
+    main()