diff --git a/Python_function_exercises.py b/Python_function_exercises.py
new file mode 100644
index 0000000..ee30e77
--- /dev/null
+++ b/Python_function_exercises.py
@@ -0,0 +1,60 @@
+#1- Verilen bir kelimeyi belirtilen kez ekrana yazdiran python fonksiyonu yazınız.
+#1. Print a Word Multiple Times
+def print_word(word, count):
+    for i in range(count):
+        print(word)
+
+print_word("Hello", 3)
+
+
+#2- Verilen 2 sayı arasındaki tüm asal sayıları bulan python fonksiyonunu yazınız.
+#2. Prime Numbers Between Two Numbers
+# A prime number is only divisible by 1 and itself.Examples: 2, 3, 5, 7, 11...
+def is_prime(num):
+    if num < 2:
+        return False
+    for i in range(2, int(num**0.5)+1):    #loop through all numbers from 2 up to square root of num. +1 because range is exclusive at the end,it stops before the last number. 
+        if num %i == 0:   #check if num is divisible by i
+            return False
+    return True 
+
+def find_primes(start, end):
+    for num in range(start, end + 1):
+        if is_prime(num):
+            print(num)
+find_primes(10, 20)
+
+#3- Saati saniyeye çeviren bir fonksiyon yazınız.
+#3. Convert Time to Seconds
+
+def convert_to_seconds(hours, minutes, seconds):
+    total_seconds = hours * 3600 + minutes *60 + seconds
+    return total_seconds
+print(convert_to_seconds(1, 30, 15))
+
+
+#4- Matematik, Fizik ve Kimya derslerinin Vize ve Final ortalamalarina gore 
+# (Vize nin %40 i , Finalin %60 i) ogrencinin derslerden hangi not ile gectigini veya kaldigini gosteren bir program yaziniz.
+#4. Calculate Student Grades (Vize 40%, Final 60%)
+
+def calculate_grade(vize, final):
+    average = vize * 0.4 + final * 0.6
+
+    if average >= 85:
+        grade = "AA"
+    elif average >= 70:
+        grade = "BB"
+    elif average >= 55:
+        grade = "CC"
+    elif average >= 45:
+        grade = "DD"
+    else:
+        grade = "FF"
+    if average >= 45:
+        status = "Passed"
+    else:
+        status = "Failed"
+
+    print(f"Average: {average:.2f} - Grade: {grade} - Status: {status}")  #:.2f floating point (decimal) numbers
+
+calculate_grade(60, 70)
\ No newline at end of file
diff --git a/Question1.py b/Question1.py
new file mode 100644
index 0000000..60a691f
--- /dev/null
+++ b/Question1.py
@@ -0,0 +1,85 @@
+#Project Description: In this assignment, you will create a task manager application using the Python programming language.
+#This application will allow users to add, complete, delete, and list their tasks.
+#Requirements:
+#1-Tasks will be stored in a Python list and each task will be represented as a dictionary. Each task must have the following properties:
+#Sequence Number (Automatically assigned). Task Name. Status (Completed, Pending, or Deleted)
+#2- Operations that the user can perform:
+#Add a new task. Complete a task. Delete a task. List completed tasks. List all tasks with their status. Exit
+#3- 4- 5- 6
+
+def greet_user():
+    print("Welcome to Task Manager")
+greet_user()  # Call the function
+
+tasks = []          #task list will store all tasks
+next_sequence = 1   #this will increase with each new task
+
+# Function to add a new task
+def add_task(name):  # name is a parameter
+    global next_sequence
+    task = {
+        "Sequence": next_sequence,  #automatically assigned number
+        "Name": name,               #task name entered by user
+        "Status": "Pending"         #default status
+    }
+    tasks.append(task)
+    print(f"Task '{name}' added with number {next_sequence}.")
+    next_sequence += 1    #increase the task number for next task
+    
+
+# Function to complete a task
+def complete_task(task_number):
+    for task in tasks:
+        if task["Sequence"] == task_number and task["Status"] == "Pending":  #find the task by its number and make sure it's not already done
+            task["Status"] = "Completed"    #change status
+            print(f"Task {task_number} marked as Completed.")
+            return
+    print("Task not found or cannot be completed.")     #if not found
+
+# Function to delete a task
+def delete_task(task_number):
+    for task in tasks:
+        if task["Sequence"] == task_number and task["Status"] != "Deleted":
+            task["Status"] = "Deleted"
+            print(f"Task {task_number} marked as Deleted.")
+            return
+    print("Task not found or already deleted.")
+
+# Function to list all tasks
+def list_tasks():
+    print("\n Task List")
+    for task in tasks:
+        print(f"{task['Sequence']}: {task['Name']} - [{task['Status']}]")
+    print()  # Empty line for spacing. extra space after list
+
+# Main function to show the menu and take user input
+def main():
+    while True:
+        print("Task Manager Menu")
+        print("1. Add Task")
+        print("2. Complete Task")
+        print("3. Delete Task")
+        print("4. List All Tasks")
+        print("5. Exit")
+
+        choice = input("Choose an option (1-5): ")
+
+        if choice == "1":
+            name = input("Enter the task name: ")
+            add_task(name)
+        elif choice == "2":
+            number = int(input("Enter the task number to complete: "))
+            complete_task(number)
+        elif choice == "3":
+            number = int(input("Enter the task number to delete: "))
+            delete_task(number)
+        elif choice == "4":
+            list_tasks()
+        elif choice == "5":
+            print("Exiting Task Manager. Goodbye!")
+            break
+        else:
+            print("Invalid choice. Please try again.")
+
+# Run the program
+main()
\ No newline at end of file
diff --git a/ic_week_3_1.py b/ic_week_3_1.py
new file mode 100644
index 0000000..229069c
--- /dev/null
+++ b/ic_week_3_1.py
@@ -0,0 +1,125 @@
+# Görev Yönetim Sistemi
+#1- Yeni bir görev ekle
+#2- Bir görevi tamamla
+#3- Bir görevi sil
+#4- Tamamlanan görevleri listele
+#5- Tüm görevleri durumlarıyla birlikte listele
+#6- Çıkış
+
+gorev_listesi = []
+def add_gorev(ID, gorev_tanimi, gorev_durumu):
+    """
+    Yeni bir görev ekler.
+    """
+    gorev_bilgileri = {
+        "ID": ID,
+        "Görev Tanınım": gorev_tanimi,
+        "Görev Durumu": gorev_durumu
+    }
+    gorev_listesi.append(gorev_bilgileri)
+    return gorev_listesi
+
+def menu():
+    """
+    Kullanıcıdan seçim alır.
+    """
+    print("***Görev Yönetim Sistemi***\n")
+    print("1- Yeni bir görev ekle")
+    print("2- Bir görevi durumunu değiştir")
+    print("3- Bir görevi sil")
+    print("4- Tamamlanan görevleri listele")
+    print("5- Tüm görevleri durumlarıyla birlikte listele")
+    print("6- Çıkış\n")
+
+    secim = input("Seçiminizi yapın (1-6): ")
+    if secim not in ["1", "2", "3", "4", "5", "6"]:
+        print("Geçersiz seçim. Lütfen tekrar deneyin.")
+        return menu()
+    return secim
+
+def uygun_id_al():
+    mevctut_idler = sorted([int(gorev["ID"]) for gorev in gorev_listesi])
+    for ID in range(1, len(mevctut_idler) + 2):
+        if ID not in mevctut_idler:
+            return str(ID)
+        
+    """
+    Kullanıcıdan uygun bir ID alır.
+    """
+
+#1- Yeni bir görev ekle
+while True:
+    menu_secim = menu()
+    if menu_secim == "1":
+        #ID = input("Görev ID'sini girin: ")
+        ID = uygun_id_al()
+        if any(gorev["ID"] == ID for gorev in gorev_listesi):
+            print("Bu ID'ye sahip bir görev zaten var. Lütfen başka bir ID girin.")
+            continue
+        # Görev tanımını ve durumunu al
+        gorev_tanimi = input("Görev tanımını girin: ")
+        gorev_durumu = input("Görev durumunu girin (Tamamlandı/Bekliyor/Silindi): ")
+        if gorev_durumu not in ["Tamamlandı", "Bekliyor", "Silindi"]:
+            print("Geçersiz görev durumu. Lütfen tekrar deneyin.")
+            continue
+        # Görev ekleme fonksiyonunu çağır
+        add_gorev(ID, gorev_tanimi, gorev_durumu)
+        print("Görev başarıyla eklendi.")
+    elif menu_secim == "2":
+        ID = input("Durumu değiştirmek istediğiniz görev ID'sini girin: ")
+        if any(gorev["ID"] == ID for gorev in gorev_listesi):
+            #print("Bu ID bulundu.") 
+            # Görev durumunu güncelle
+            gorev_durumu = input("Görev durumunu girin (Tamamlandı/Bekliyor/Silindi): ")
+            if gorev_durumu not in ["Tamamlandı", "Bekliyor", "Silindi"]:
+                print("Geçersiz görev durumu. Lütfen tekrar deneyin.")
+                continue
+            else:
+                for gorev in gorev_listesi:
+                    if gorev["ID"] == ID:
+                        gorev["Görev Durumu"] = gorev_durumu
+                        print("Görev durumu başarıyla güncellendi.")
+        else:
+            print("Bu ID'ye sahip bir görev bulunamadı.")
+            continue
+    
+    elif menu_secim == "3":
+        ID = input("Silmek istediğiniz görev ID'sini girin: ")
+        if any(gorev["ID"] == ID for gorev in gorev_listesi):
+            #print("Bu ID bulundu.") 
+            # Görev silme işlemi
+            for gorev in gorev_listesi:
+                if gorev["ID"] == ID:
+                    gorev_listesi.remove(gorev)
+                    print("Görev başarıyla silindi.")
+        else:
+            print("Bu ID'ye sahip bir görev bulunamadı.")
+            continue
+ 
+    elif menu_secim == "4":
+        # Tamamlanan görevleri listele
+        tamamlanan_gorevler = [gorev for gorev in gorev_listesi if gorev["Görev Durumu"] == "Tamamlandı"]
+        if tamamlanan_gorevler:
+            print("Tamamlanan Görevler:")
+            for gorev in tamamlanan_gorevler:
+                print(f"ID: {gorev['ID']}, Görev Tanımı: {gorev['Görev Tanınım']}, Görev Durumu: {gorev['Görev Durumu']}")
+        else:
+            print("Tamamlanan görev bulunamadı.")
+ 
+    elif menu_secim == "5":
+        # Tüm görevleri listele
+        if gorev_listesi:
+            print("Tüm Görevler:\n")
+            for gorev in gorev_listesi:
+                print(f"ID: {gorev['ID']}, Görev Tanımı: {gorev['Görev Tanınım']}, Görev Durumu: {gorev['Görev Durumu']}\n")
+        else:
+            print("Görev listesi boş.")
+
+    elif menu_secim == "6":
+ 
+        print("Çıkış yapılıyor... İyi günler!")
+        break
+    else:
+        print("Bu özellik henüz uygulanmadı.")
+
+
diff --git a/ic_week_3_Fnk-4.py b/ic_week_3_Fnk-4.py
new file mode 100644
index 0000000..c745bf4
--- /dev/null
+++ b/ic_week_3_Fnk-4.py
@@ -0,0 +1,60 @@
+#1- Verilen bir kelimeyi belirtilen kez ekrana yazdiran python fonksiyonu yazınız.
+
+def kelimeyaz(kelime, sayi):
+        for i in range(sayi):
+            print(kelime)
+
+
+kelime = input("Bir kelime giriniz")
+sayi = int(input("Kaç kere yazdırmak istersiniz?"))
+kelimeyaz(kelime, sayi)
+
+
+#2- Verilen 2 sayı arasındaki tüm asal sayıları bulan python fonksiyonunu yazınız.
+
+def asalsayilar(sayi1, sayi2):
+    asal_sayilar = []
+    for sayi in range(sayi1, sayi2 + 1):
+        if sayi > 1:
+            for i in range(2, int(sayi ** 0.5) + 1):
+                if sayi % i == 0:
+                    break
+            else:
+                asal_sayilar.append(sayi)
+    return asal_sayilar
+
+print(f"1 ile 10 arası asalsayılar: {asalsayilar(1, 10)}")
+
+
+#3- Saati saniyeye çeviren bir fonksiyon yazınız.
+
+def saniye():
+    saat=int(input("Saat: "))
+    dakika=int(input("Dakika: "))
+    saniye=int(input("Saniye: "))
+    toplam_saniye=(saat*3600)+(dakika*60)+saniye
+    print(f"Toplam saniye: {saat} Saat {dakika} dakika {saniye} saniye toplamı {toplam_saniye} saniyedir")
+
+saniye()
+
+
+#4- Matematik, Fizik ve Kimya derslerinin Vize ve Final ortalamalarina gore (Vize nin %40 i , Finalin %60 i) ogrencinin derslerden hangi not ile gectigini veya kaldigini gosteren bir program yaziniz.
+
+def vize_final(ders, vnotu, fnotu):
+    ders = input("Ders adı: ")
+    vnotu = int(input("Vize notu: "))
+    fnotu = int(input("Final notu: "))
+    ortalama = (vnotu * 0.4) + (fnotu * 0.6)
+    if ortalama >= 0 and ortalama <= 44:
+        print("FF - Kaldınız")
+    elif ortalama >= 45 and ortalama <= 54:
+        print("DD - Geçtiniz")
+    elif ortalama >= 55 and ortalama <= 69:
+        print("CC - Geçtiniz")
+    elif ortalama >= 70 and ortalama <= 84:
+        print("BB - Geçtiniz")
+    elif ortalama >= 85 and ortalama <= 100:
+        print("AA - Geçtiniz")
+
+ 
+vize_final("", 0, 0)
diff --git a/ic_week_3_hr_1-2.py b/ic_week_3_hr_1-2.py
new file mode 100644
index 0000000..4c92239
--- /dev/null
+++ b/ic_week_3_hr_1-2.py
@@ -0,0 +1,29 @@
+def sayi_rakam_bolen(n):
+    """
+    Bu fonksiyon, verilen bir sayının rakamlarının verilen sayıyının tam bölemleri sayısını verir.
+   
+    """
+    adet = 0
+    for i in str(n):
+        if i != '0' and n % int(i) == 0:
+            adet += 1
+    return adet
+
+ #   count = 0
+  #  for digit in str(n):
+  #      if digit != '0':
+   #         if n % int(digit) == 0:
+    #            count += 1
+    #return count
+
+print(sayi_rakam_bolen(1012))
+
+
+def naam(s):
+    words = s.split(" ")
+    capitalized_words = [w[0].upper() + w[1:] if w else "" for w in words]
+    return " ".join(capitalized_words)
+
+print(naam("ahmet 12mehmet  ali"))
+
+
diff --git a/w3-q1.py b/w3-q1.py
new file mode 100644
index 0000000..942adaa
--- /dev/null
+++ b/w3-q1.py
@@ -0,0 +1,83 @@
+tasks = []
+deleted = []
+taskNumber = 0  # Tracks task numbers
+
+def add_task():
+    global taskNumber
+
+    if deleted:
+        deletedTaskNo = deleted.pop(0)
+        for task in tasks:
+            if task["taskNumber"] == deletedTaskNo and task["taskStatus"] == "deleted":
+                task_name = input("Enter the task: ")
+                task["taskName"] = task_name
+                task["taskStatus"] = "pending"
+                print(f"Reused Task no: {deletedTaskNo} updated with Name: '{task_name}'.")
+                return
+
+    taskNumber += 1
+    new_task_number = taskNumber
+    task_name = input("Enter the task: ")
+    task = {"taskNumber": new_task_number, "taskName": task_name, "taskStatus": "pending"}
+    tasks.append(task)
+    print(f"Task no: {new_task_number} Task Name: '{task_name}' added.")
+
+def list_tasks():
+    if not tasks:
+        print("No tasks available.")
+    else:
+        for task in tasks:
+            print(f"Task no: {task['taskNumber']} Task Name: '{task['taskName']}' Status: '{task['taskStatus']}'")
+
+def delete_task():
+    if not tasks:
+        print("No tasks available.")
+        return
+
+    num = int(input("Enter the task number to delete: "))
+    for task in tasks:
+        if task["taskNumber"] == num and task["taskStatus"] != "deleted":
+            task["taskStatus"] = "deleted"
+            deleted.append(num)
+            print(f"Task no: {num} deleted.")
+            return
+    print("Task not found or already deleted.")
+
+def complete_task():
+    if not tasks:
+        print("No tasks available.")
+        return
+
+    num = int(input("Enter the task number to complete: "))
+    for task in tasks:
+        if task["taskNumber"] == num and task["taskStatus"] == "pending":
+            task["taskStatus"] = "completed"
+            print(f"Task no: {num} completed.")
+            return
+    print("Task not found or already completed/deleted.")
+
+def main():
+    while True:
+        print("\nTask Manager")
+        print("Choose an option:")
+        print("1. Add Task")
+        print("2. List Tasks")
+        print("3. Delete Task")
+        print("4. Complete Task")
+        print("5. Exit")
+        choice = input("Enter your choice: ")
+        if choice == '1':
+            add_task()
+        elif choice == '2':
+            list_tasks()
+        elif choice == '3':
+            delete_task()
+        elif choice == '4':
+            complete_task()
+        elif choice == '5':
+            print("Exiting Task Manager.")
+            break
+        else:
+            print("Invalid choice. Please try again.")
+
+main()
diff --git a/week_3_cs_qs_1.py b/week_3_cs_qs_1.py
new file mode 100644
index 0000000..70a87e1
--- /dev/null
+++ b/week_3_cs_qs_1.py
@@ -0,0 +1,82 @@
+#task manager
+# 
+tasks = []
+íd = 0
+while True:
+    print("1/ Add task")
+    print("2/ Remove task")
+    print("3/ Show tasks")
+    print("4/ List tasks")
+    print("5/ Exit")
+    choice = input("Choose an option: ")
+    if choice	== "1":
+        name = input("Enter task name: ")
+        status = input("Enter task status: ")
+        due_date = input("Enter task due date: ")  
+        task = {
+            "id": id,
+            "name": name,
+            "status": status,
+            "due_date": due_date
+        }
+        tasks.append(task)
+        íd += 1
+        print("Task added.")
+    elif choice == "2":
+        task_id = int(input("Enter task ID to remove: "))
+        for task in tasks:
+            if task["id"] == task_id:
+                tasks.remove(task)
+                print("Task removed.")
+                break
+        else:
+            print("Task not found.")
+    elif choice == "3":
+        for task in tasks:
+            print(f"ID: {task['id']}, Name: {task['name']}, Status: {task['status']}, Due Date: {task['due_date']}")    
+            print("Do you want to edit this task? (yes/no)")
+            edit_choice = input()
+            if edit_choice.lower() == "yes":
+                new_name = input("Enter new task name: ")
+                new_status = input("Enter new task status: ")
+                new_due_date = input("Enter new task due date: ")  
+                task["name"] = new_name
+                task["status"] = new_status
+                task["due_date"] = new_due_date
+                print("Task updated.")
+            elif edit_choice.lower() == "no":
+                print("No changes made.")
+            else:
+                print("Invalid choice. No changes made.")
+
+    elif choice == "4":
+        print("List of tasks:")
+        print("1/ ID\t 2/ Name\t 3/ Status\t 4/ Due Date\t 5/ Comleted Tasks")
+        
+        choiselist = input("Choose a task to list: ")
+        if choiselist == "1":
+            for task in tasks:
+                print(f"ID: {task['id']}, Name: {task['name']}")
+        elif choiselist == "2":
+            for task in tasks:
+                print(f"ID: {task['id']}, Name: {task['name']}")
+        elif choiselist == "3":
+            for task in tasks:
+                print(f"ID: {task['id']}, Status: {task['status']}")
+        elif choiselist == "4":
+            for task in tasks:
+                print(f"ID: {task['id']}, Due Date: {task['due_date']}")
+        elif choiselist == "5":
+            for task in tasks:
+                if task["status"].lower() == "completed":
+                    print(f"ID: {task['id']}, Name: {task['name']}")
+
+        else:
+            print("Invalid choice.")
+            break
+    elif choice == "5":
+        print("Exiting the task manager.")
+        break
+    
+
+
diff --git a/week_3_cs_qs_2.py b/week_3_cs_qs_2.py
new file mode 100644
index 0000000..3823057
--- /dev/null
+++ b/week_3_cs_qs_2.py
@@ -0,0 +1,28 @@
+def get_user_input():
+    user_input_number = int(input("Give e number: "))
+    return user_input_number
+
+def split_number(number):
+    digits = [int(digit) for digit in str(number)]
+    return digits
+
+# Call the function to get user input and print the result
+number = get_user_input()
+digits = split_number(number)
+print(f"The digits of the number {number} are: {digits}")
+
+def divisor(digits):
+    divisors = []
+    for i in digits :
+        if i == 0:
+            continue
+        elif number % i == 0:
+            divisors.append(i)
+    return divisors
+
+result = divisor(digits)
+count_divisors = len(result)
+if count_divisors > 0:
+    print(f"The number {number} has {count_divisors} divisors.")    
+else:
+    print("The number is zero, so it has no divisors.")
diff --git a/week_3_cs_qss.py b/week_3_cs_qss.py
new file mode 100644
index 0000000..70a87e1
--- /dev/null
+++ b/week_3_cs_qss.py
@@ -0,0 +1,82 @@
+#task manager
+# 
+tasks = []
+íd = 0
+while True:
+    print("1/ Add task")
+    print("2/ Remove task")
+    print("3/ Show tasks")
+    print("4/ List tasks")
+    print("5/ Exit")
+    choice = input("Choose an option: ")
+    if choice	== "1":
+        name = input("Enter task name: ")
+        status = input("Enter task status: ")
+        due_date = input("Enter task due date: ")  
+        task = {
+            "id": id,
+            "name": name,
+            "status": status,
+            "due_date": due_date
+        }
+        tasks.append(task)
+        íd += 1
+        print("Task added.")
+    elif choice == "2":
+        task_id = int(input("Enter task ID to remove: "))
+        for task in tasks:
+            if task["id"] == task_id:
+                tasks.remove(task)
+                print("Task removed.")
+                break
+        else:
+            print("Task not found.")
+    elif choice == "3":
+        for task in tasks:
+            print(f"ID: {task['id']}, Name: {task['name']}, Status: {task['status']}, Due Date: {task['due_date']}")    
+            print("Do you want to edit this task? (yes/no)")
+            edit_choice = input()
+            if edit_choice.lower() == "yes":
+                new_name = input("Enter new task name: ")
+                new_status = input("Enter new task status: ")
+                new_due_date = input("Enter new task due date: ")  
+                task["name"] = new_name
+                task["status"] = new_status
+                task["due_date"] = new_due_date
+                print("Task updated.")
+            elif edit_choice.lower() == "no":
+                print("No changes made.")
+            else:
+                print("Invalid choice. No changes made.")
+
+    elif choice == "4":
+        print("List of tasks:")
+        print("1/ ID\t 2/ Name\t 3/ Status\t 4/ Due Date\t 5/ Comleted Tasks")
+        
+        choiselist = input("Choose a task to list: ")
+        if choiselist == "1":
+            for task in tasks:
+                print(f"ID: {task['id']}, Name: {task['name']}")
+        elif choiselist == "2":
+            for task in tasks:
+                print(f"ID: {task['id']}, Name: {task['name']}")
+        elif choiselist == "3":
+            for task in tasks:
+                print(f"ID: {task['id']}, Status: {task['status']}")
+        elif choiselist == "4":
+            for task in tasks:
+                print(f"ID: {task['id']}, Due Date: {task['due_date']}")
+        elif choiselist == "5":
+            for task in tasks:
+                if task["status"].lower() == "completed":
+                    print(f"ID: {task['id']}, Name: {task['name']}")
+
+        else:
+            print("Invalid choice.")
+            break
+    elif choice == "5":
+        print("Exiting the task manager.")
+        break
+    
+
+