diff --git a/.DS_Store b/.DS_Store
new file mode 100644
index 0000000..a8408b8
Binary files /dev/null and b/.DS_Store differ
diff --git a/fk_week2.ipynb b/fk_week2.ipynb
new file mode 100644
index 0000000..52b7f54
--- /dev/null
+++ b/fk_week2.ipynb
@@ -0,0 +1,476 @@
+{
+ "cells": [
+  {
+   "cell_type": "markdown",
+   "id": "b8539b26",
+   "metadata": {},
+   "source": [
+    "# **Python_Modul_Week_2**\n",
+    "## **Question1: Student Grades Processing**"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "5692826a",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "\n",
+    "# You need to write a Python program to process a student's grades. The program needs to perform the following functions:\n",
+    "# Store information and notes for 10 students using a dictionary. \n",
+    "# Let each student have their name, surname and grades (Midterm, Final and Oral grades). For example:\n",
+    "\n",
+    "students = {\n",
+    "    \"ahmet yilmaz\" : [85,90,78],  # Midterm: 85, Final: 90, Oral: 78\n",
+    "    \"Mehmet Demir\" : [92,88,76],  # Midterm: 85, Final: 90, Oral: 78\n",
+    "    \"Ayse Kaya\"    : [78,89,95],  # Midterm: 85, Final: 90, Oral: 78\n",
+    "    \"Zeynep Celik\" : [65,70,80],  # Midterm: 85, Final: 90, Oral: 78\n",
+    "    \"Ali Kara\"     : [50,60,55],  # Midterm: 85, Final: 90, Oral: 78\n",
+    "    \"Fatma Yildiz\" : [88,85,90],  # Midterm: 85, Final: 90, Oral: 78\n",
+    "    \"Murat Aydin\"  : [72,68,74],  # Midterm: 85, Final: 90, Oral: 78\n",
+    "    \"Elif Aksoy\"   : [95,90,88],  # Midterm: 85, Final: 90, Oral: 78\n",
+    "    \"Hakan Ozyurek\": [45,50,55],  # Midterm: 85, Final: 90, Oral: 78\n",
+    "    \"ahmet yilmaz\" : [80,75,82]   # Midterm: 85, Final: 90, Oral: 78\n",
+    "\n",
+    "}\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "4d526007",
+   "metadata": {},
+   "source": [
+    "### **•1-Calculate each student's GPA and add it to the dictionary.•**"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "b65b79d4",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "\n",
+    "for key, value in students.items():\n",
+    "    students[key].append(round(sum(students[key])/len(value),2))\n",
+    "print(students)\n",
+    "\n",
+    "\n",
+    "# gpa_dict = {i: \"{:.2f}\".format(sum(students[i])/3) for i in students.keys()}\n",
+    "# print(gpa_dict)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "6f1628bf",
+   "metadata": {},
+   "source": [
+    "### **•2-Find the student with the highest GPA and print it on the screen.•**"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "e46695bb",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "max = 0.0\n",
+    "for i in students.values():\n",
+    "    if max < i[-1]:\n",
+    "       max = i[-1]\n",
+    "\n",
+    "for key, value in students.items():\n",
+    "    if max == value[-1]:\n",
+    "        print(key)\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "8cbf2ee0",
+   "metadata": {},
+   "source": [
+    "### **•3- Separate each student's name from their surname and store them in a separate tuple and add them to a list.•**"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "3920e4da",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "studens_information = list()\n",
+    "for key in students.keys():\n",
+    "    ad, soyad = key.split()\n",
+    "    studens_information.append((ad,soyad))\n",
+    "\n",
+    "print(studens_information)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "628d83de",
+   "metadata": {},
+   "source": [
+    "### **•4-Sort the names in alphabetical order and print the sorted list on the screen.•**"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "926769f0",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "print(sorted(students.keys()))"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "e0753377",
+   "metadata": {},
+   "source": [
+    "### **•5-Keep students with a GPA below 70 in a cluster (set).•**"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "d2f9ddfe",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "students_with_70_gpa = set()\n",
+    "for key, value in students.items():\n",
+    "    if value[-1] <= 70:\n",
+    "        students_with_70_gpa.add(key)\n",
+    "print(students_with_70_gpa)"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "a2cb3a6b",
+   "metadata": {},
+   "source": [
+    "## Question 2: Film Library Management System Project\n",
+    "### Project Description: This project aims to create an application that will help the user manage their movie collection. Users can add, edit, delete movies and view their collection.\n",
+    "\n",
+    "Data Structures Used: Dictionaries (to store movies and related information), lists (to display movie collection)\n",
+    "\n",
+    "## Basic Functions:\n",
+    "\n",
+    "•1-Create a movie data by taking information such as movie name, director, release year and genre from the user and store it in a dictionary.•**\n",
+    "\n",
+    "•2-Give the user the option to edit or delete a movie. (For this, a suitable function must be written for whatever data they want to change about the movie.) \n",
+    "\n",
+    "•3-Allow the user to view their collection. List all movies or filter by criteria such as genre or year of release.•\n",
+    "\n",
+    "•4-Save the movie data in a file and restore this data when you start the program.•\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "5ac83a9a",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "from IPython.display import clear_output\n",
+    "movie_information = dict()\n",
+    "\n",
+    "\n",
+    "\n",
+    "def koleksiyon_goruntuleme():\n",
+    "    clear_output()\n",
+    "    print(\"dosya okuma baslatiliyor ...\\n\")\n",
+    "    print(\"-\"*30)\n",
+    "    dosya_okuma()\n",
+    "    print(\"dosya okuma basarili ...\")\n",
+    "\n",
+    "def dosya_yazma():\n",
+    "    with open(\"film_kutuphane.txt\", \"w\") as dosya:\n",
+    "        for i,j in movie_information.items():\n",
+    "            dosya.writelines(\"{}\\t{}\\n\".format(i,j))\n",
+    "        dosya.seek(0)  # Okuma yapabilmek için başa sar\n",
+    "        \n",
+    "def dosya_okuma():\n",
+    "    with open(\"film_kutuphane.txt\", \"r\") as dosya:\n",
+    "        dosya.seek(0)\n",
+    "        print(dosya.read())\n",
+    "\n",
+    "    # try:\n",
+    "    #     dosya = open(\"film_kutuphane.txt\",\"a\")\n",
+    "    #     if dosya.tell() != 0:\n",
+    "    #         dosya.seek(0)\n",
+    "    #         dosya.read()\n",
+    "    #     else:\n",
+    "    #         dosya.read()\n",
+    "    # except IOError:\n",
+    "    #     print(\"dosya okumada bir hata olurstu\")\n",
+    "    # finally:\n",
+    "    #     dosya.close()\n",
+    "\n",
+    "def film_ekleme():\n",
+    "    clear_output()\n",
+    "    film_adi = input(\"film adi giriniz: \").lower()\n",
+    "    film_yonetmen = input(\"yonetmen adi giriniz: \").lower()\n",
+    "    film_yili = int(input(\"film yilini giriniz: \"))\n",
+    "    film_turu = input(\"film turunu giriniz: \").lower()\n",
+    "    \n",
+    "    movie_information[film_adi] = [film_yonetmen, film_yili, film_turu]\n",
+    "    dosya_yazma()\n",
+    "\n",
+    "def film_duzenleme():\n",
+    "    clear_output()\n",
+    "    if \"evet\" == input(\"filmin adini degistirmek isiyormusun?(evet/hayir)?\"):\n",
+    "        degistirilecek_filmin_adi = input(\"hangi filmin adini degistirmek istiyorsun?\").lower()\n",
+    "        yeni_film_adi = input(\"filmin yeni adini giriniz ...\").lower()\n",
+    "\n",
+    "        if degistirilecek_filmin_adi in movie_information.keys():\n",
+    "            movie_information[yeni_film_adi] = movie_information.pop(degistirilecek_filmin_adi)\n",
+    "        else:\n",
+    "            print(\"Böyle bir film bulunamadı.\")\n",
+    "\n",
+    "        dosya_yazma()\n",
+    "        dosya_okuma()\n",
+    "\n",
+    "    if \"evet\" == input(\"film detayini degistirmek istiyormusun?(evet/hayir)?\"):\n",
+    "\n",
+    "        degistirilecek_filmin_adi = input(\"hangi filmin detayini degistirmek istiyorsunuz?\")\n",
+    "        kullanici_secenegi = input(\"hangi detayi degistirmek istiyorsun(yonetmen, film yili, film turu)\").lower()\n",
+    "\n",
+    "        if kullanici_secenegi == \"yonetmen\":\n",
+    "            movie_information[degistirilecek_filmin_adi][0] = input(\"yeni yonetmen adini giriniz: \")\n",
+    "        elif kullanici_secenegi == \"filmyili\" or \"film yili\":\n",
+    "            movie_information[degistirilecek_filmin_adi][1] = int(input(\"filmin yilini giriniz\"))\n",
+    "        elif kullanici_secenegi == \"filmturu\" or \"film turu\":\n",
+    "            movie_information[degistirilecek_filmin_adi][2] = input(\"filmin turunu giriniz: \")\n",
+    "        \n",
+    "        dosya_yazma()\n",
+    "        dosya_okuma()\n",
+    "\n",
+    "def film_silme():\n",
+    "    if \"evet\" == input(\"koleksiyonda film silmek istiyormusun(evet/hayir)?\").lower():\n",
+    "            silinecek_film_adi = input(\"hangi filmi silmek istiyorsun?\").lower()\n",
+    "            movie_information.pop(silinecek_film_adi)\n",
+    "            print(\"{:<3} film basarili bir sekilde silindi...\".format(silinecek_film_adi))\n",
+    "\n",
+    "            print(\"koleksiyonun son hali;\\n\")\n",
+    "            dosya_yazma()\n",
+    "            dosya_okuma()\n",
+    "\n",
+    "    if \"evet\" == input(\"koleksiyondan film detayini silmek istiyormusun(evet/hayir)?\"):\n",
+    "\n",
+    "        silinece_film = input(\"hangi filmin detayini silmek isiyorsun\")\n",
+    "\n",
+    "        silinecek_film_detayi = input(\"filmin hangi detayi silmek istiyorsun(yonetmen, film yili, film turu)\").lower()\n",
+    "\n",
+    "        if silinecek_film_detayi == \"yonetmen\":\n",
+    "            movie_information[silinece_film].pop(0)\n",
+    "        elif silinecek_film_detayi == \"film yili\" or \"film yili\":\n",
+    "            movie_information[silinece_film].pop(1)\n",
+    "        elif silinecek_film_detayi == \"film turu\" or \"filmturu\":\n",
+    "            movie_information[silinece_film].pop(2)\n",
+    "        else:\n",
+    "            print(\"yanlis giris yapildi\")\n",
+    "\n",
+    "        dosya_yazma()\n",
+    "        dosya_okuma()\n",
+    "\n",
+    "def filtreleme():\n",
+    "    filter = input(\"\"\" yapmak istediginiz islemin numarasini giriniz(1-5): \n",
+    "          1 - film adina gore filtreleme\n",
+    "          2 - film yonetmenine gore filtreleme\n",
+    "          3 - film yilina gore filtreleme\n",
+    "          4 - film turune gore filtreleme \"\"\")\n",
+    "    \n",
+    "    if filter == 1:\n",
+    "        filter_film_ad = input(\"filtrelenecek film adini giriniz: \")\n",
+    "        for i in movie_information.keys():\n",
+    "            if i == filter_film_ad:\n",
+    "                print(\"{}\\t{}\\n\".format(i,movie_information[i]))\n",
+    "    elif filter == 2: \n",
+    "        filter_film_yonetmen = input(\"filtrelenecek yonetmen adini giriniz: \")\n",
+    "        for i, j in movie_information.items():\n",
+    "            if j[0] == filter_film_yonetmen:\n",
+    "                print(\"{}\\t{}\\n\".format(i,j))\n",
+    "    elif filter == 3: \n",
+    "        filter_film_yili = input(\"filtrelenecek film yilini giriniz: \")\n",
+    "        for i,j in movie_information.items():\n",
+    "            if j[1] == int(filter_film_yili):\n",
+    "                print(\"{}\\t{}\\n\".format(i,j))\n",
+    "    elif filter == 4:\n",
+    "        filter_film_turu = input(\"filtrelenecek film turunu giriniz: \")\n",
+    "        for i,j in movie_information.items():\n",
+    "            if j[2] == filter_film_turu:\n",
+    "                print(\"{}\\t{}\\n\".format(i,j))\n",
+    "    else:\n",
+    "        print(\"girilen veriler yanlis\")\n",
+    "\n",
+    "\n",
+    "\n",
+    "\n",
+    "\n",
+    "\n",
+    "#-------------- algoritma baslangici -----------------------------\n",
+    "\n",
+    "while True: \n",
+    "    kullanici_girisi = int(input(\"\"\" yapmak istediginiz islemin numarasini giriniz(1-5): \n",
+    "          1 - film ekleme\n",
+    "          2 - film duzenleme\n",
+    "          3 - film silme \n",
+    "          4 - koleksiyon goruntuleme \n",
+    "          5 - filtreleme\n",
+    "          6 - cikis yapma \"\"\"))\n",
+    "    if kullanici_girisi == 1: \n",
+    "        film_ekleme()  #en son dosyaya kayit islemi yapiliyor\n",
+    "    elif kullanici_girisi == 2: \n",
+    "        film_duzenleme()  #en son dosyaya kayit islemi yapiliyor\n",
+    "    elif kullanici_girisi == 3: \n",
+    "        film_silme()  #en son dosyaya kayit islemi yapiliyor\n",
+    "    elif kullanici_girisi == 4: \n",
+    "        koleksiyon_goruntuleme()\n",
+    "    elif kullanici_girisi == 5:\n",
+    "        filtreleme()\n",
+    "    elif kullanici_girisi == 6: \n",
+    "        break\n",
+    "    else:\n",
+    "        print(\"veri girisi yanlis\")\n",
+    "\n",
+    "\n"
+   ]
+  },
+  {
+   "cell_type": "markdown",
+   "id": "36d69534",
+   "metadata": {},
+   "source": [
+    "## Question 3: Customer Management System\n",
+    "### Project Description: This project involves you creating a customer management system that you can use to manage your customers and perform basic transactions.\n",
+    "  This system will have basic functions such as storing customer information, adding new customers, updating customer information, deleting customers and viewing the customer list. \n",
+    " Here are the basic steps of the project:\n",
+    "\n",
+    " 1-Use a dictionary structure to store customer information. Assign a unique customer identification (ID) for each customer and \n",
+    " associate customer information with this ID. You can use a dictionary containing information such as name, surname, e-mail, phone number for each customer.\n",
+    "\n",
+    " 2-Provide a menu where the user can choose the following actions:\n",
+    "\n",
+    " •Add new customers\n",
+    " •Updating customer information\n",
+    " •Delete customer\n",
+    " •List all customers\n",
+    " •Check out\n",
+    "\n",
+    " 3-Perform the relevant action according to the user's choice. For example, when adding a new customer, \n",
+    " get the required information from the user and add a new customer to the dictionary.\n",
+    "\n",
+    " 4-When updating customer information, view the current information using the customer ID and save the updated information.\n",
+    "\n",
+    " 5-In the customer deletion process, get the customer ID from the user and delete this customer from the dictionary.\n",
+    "\n",
+    " 6-In the process of listing all customers, view the list of existing customers.\n",
+    "\n",
+    " 7-Repeat the process until the user logs out.\n",
+    "\n",
+    "\n",
+    "\n"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "e36bdfcc",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import random \n",
+    "from IPython.display import clear_output\n",
+    "\n",
+    "customer_info = dict()\n",
+    "\n",
+    "def yeni_musteri_ekle():\n",
+    "    id = random.randint(10**4, 10**5 - 1)\n",
+    "    name = input(\"musteri adini giriniz: \") \n",
+    "    surname = input(\"musteri soyadini giriniz: \") \n",
+    "    eposta = input(\"musteri epostasini giriniz: \") \n",
+    "    telno = int(input(\"musteri telno'sunu giriniz: \"))\n",
+    "    customer_info[id] = [name,surname,eposta,telno]\n",
+    "    print(customer_info)\n",
+    "\n",
+    "def musteri_bilgilerini_guncelleme():\n",
+    "    customer_id = int(input(\"guncellemek istediginiz musterinin id'sini giriniz: \"))\n",
+    "    option = input(\"hangi bilgiyi guncellemek istiyorsunuz(ad/soyad/e-posta/telefon numarasi)\")\n",
+    "    if \"ad\" == option:\n",
+    "        customer_info[customer_id][0] = input(\"yeni adi giriniz\").lower()\n",
+    "    elif \"soyad\" == option:\n",
+    "        customer_info[customer_id][1] = input(\"yeni soyadi girin\").lower()\n",
+    "    elif \"eposta\" == option:\n",
+    "        customer_info[customer_id][2] = input(\"yeni eposta'yi giriniz\")\n",
+    "    elif \"telno\" == option:\n",
+    "        customer_info[customer_id][3] = int(input(\"yeni telno giriniz: \"))\n",
+    "    else:\n",
+    "        print(\"yanlis giris yapildi\")\n",
+    "\n",
+    "    print(customer_info)#mevcut durumu gosterme\n",
+    "\n",
+    "def tum_musterileri_listeleme():\n",
+    "    clear_output()\n",
+    "    for i,j in customer_info.items():\n",
+    "        print(\"{} numarali musterinin bilgileri {}\".format(i,j))\n",
+    "\n",
+    "def musteri_silme():\n",
+    "    print(customer_info)\n",
+    "    customer_id = input(\"silmek istediginiz musterinin idsini giriniz\")\n",
+    "    del customer_info[int(customer_id)]\n",
+    "    return print(\"silme islemi basarili...\")\n",
+    "\n",
+    "\n",
+    "\n",
+    "#-------------- algoritma baslangici -----------------------------\n",
+    "\n",
+    "while True: \n",
+    "    kullanici_girisi = int(input(\"\"\" yapmak istediginiz islemin numarasini giriniz: \n",
+    "          1 - yeni musteri ekleme\n",
+    "          2 - musteri bilgilerini guncelleme\n",
+    "          3 - musteri silme \n",
+    "          4 - tum musterileri listeleme \n",
+    "          5 - cikis yapma \"\"\"))\n",
+    "    if kullanici_girisi == 1: \n",
+    "        yeni_musteri_ekle()\n",
+    "    elif kullanici_girisi == 2: \n",
+    "        musteri_bilgilerini_guncelleme()\n",
+    "    elif kullanici_girisi == 3: \n",
+    "        musteri_silme()\n",
+    "    elif kullanici_girisi == 4: \n",
+    "        tum_musterileri_listeleme()\n",
+    "    elif kullanici_girisi == 5: \n",
+    "        break\n",
+    "    else:\n",
+    "        print(\"veri girisi yanlis\")\n"
+   ]
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.13.3"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}