diff --git a/Task Manager Application(homework) b/Task Manager Application(homework)
new file mode 100644
index 0000000..f48d31f
--- /dev/null
+++ b/Task Manager Application(homework)	
@@ -0,0 +1,80 @@
+tasks = []
+next_sequence_number = 1
+
+def add_task():
+  global next_sequence_number
+  task_name = input("Enter task name: ")
+  
+  # Find the next available sequence number
+  sequence_number = next_sequence_number
+  next_sequence_number +=1
+  
+  task = {
+      "sequence_number": sequence_number,
+      "task_name": task_name,
+      "status": "Pending"
+  }
+  tasks.append(task)
+  print(f"Task '{task_name}' added with sequence number {sequence_number}.")
+
+def complete_task():
+  sequence_number = int(input("Enter sequence number of task to complete: "))
+  for task in tasks:
+    if task["sequence_number"] == sequence_number:
+      task["status"] = "Completed"
+      print(f"Task '{task['task_name']}' marked as completed.")
+      return
+  print(f"Task with sequence number {sequence_number} not found.")
+
+def delete_task():
+  sequence_number = int(input("Enter sequence number of task to delete: "))
+  for task in tasks:
+    if task["sequence_number"] == sequence_number:
+      task["status"] = "Deleted"
+      print(f"Task '{task['task_name']}' deleted.")
+      return
+  print(f"Task with sequence number {sequence_number} not found.")
+
+def list_completed_tasks():
+  completed_tasks = [task for task in tasks if task["status"] == "Completed"]
+  if completed_tasks:
+    print("Completed Tasks:")
+    for task in sorted(completed_tasks, key=lambda x: x["sequence_number"]):
+      print(f"- {task['sequence_number']}: {task['task_name']}")
+  else:
+      print("No completed tasks found.")
+
+def list_all_tasks():
+  if tasks:
+    print("All Tasks:")
+    for task in sorted(tasks, key=lambda x: x["sequence_number"]):
+        print(f"- {task['sequence_number']}: {task['task_name']} ({task['status']})")
+  else:
+    print("No tasks found.")
+
+while True:
+  print("\nTask Manager")
+  print("1. Add Task")
+  print("2. Complete Task")
+  print("3. Delete Task")
+  print("4. List Completed Tasks")
+  print("5. List All Tasks")
+  print("6. Exit")
+  
+  choice = input("Enter your choice: ")
+  
+  if choice == '1':
+    add_task()
+  elif choice == '2':
+    complete_task()
+  elif choice == '3':
+    delete_task()
+  elif choice == '4':
+    list_completed_tasks()
+  elif choice == '5':
+    list_all_tasks()
+  elif choice == '6':
+    print("Exiting...")
+    break
+  else:
+    print("Invalid choice. Please try again.")
diff --git a/__pycache__/base_class.cpython-312.pyc b/__pycache__/base_class.cpython-312.pyc
new file mode 100644
index 0000000..418f599
Binary files /dev/null and b/__pycache__/base_class.cpython-312.pyc differ
diff --git a/base_class.py b/base_class.py
new file mode 100644
index 0000000..c363fde
--- /dev/null
+++ b/base_class.py
@@ -0,0 +1,106 @@
+import json,sys
+class base_class:
+
+    def __init__(self):
+         self.__status = ['completed','Pending']
+
+    def menu_list(self):
+        create_menu_list = [
+            {
+                "text":"Add a new task Press 1",
+                "type":"int"
+            },
+            {
+                "text":"Complete a task Press 2",
+                "type":"int"
+            },
+            {
+                "text":"Delete a task Press 3",
+                "type":"int"
+            },
+            {
+                "text":"List completed tasks Press 4",
+                "type":"int"
+            },
+            {
+                "text":"List all tasks with their status Press 5",
+                "type":"int"
+            }]
+        return create_menu_list
+    
+    def add_new_task(self):
+        try:
+            task = input("Please Enter Task")
+            status = input("Please Enter status")
+            data = self.__read_json_data()
+            id = self.__create_sequence_id()
+            data.append({"id":id,"task":task,"status":status})
+            self.__write_data_in_file(data)
+            return "New customer added"
+        except Exception as e:
+            print(e)
+    
+    def complete_task(self):
+        try:
+            id = int(input("Please Enter the task id which you want to update "))
+            rows = self.__read_json_data()
+            for i in rows:
+                i["status"] = "completed"
+            self.__write_data_in_file(rows)
+            return "Successfully updated"
+        except Exception as e:
+            print(e)
+    
+    def delete_task(self):
+        try:
+            id = int(input("Please Enter the task id which you want to delete "))
+            data = self.__read_json_data()
+            filtered_data = [item for item in data if item["id"] != id]
+            self.__write_data_in_file(filtered_data)
+            return "Successfully deleted"
+        except:
+            print("There is some Error")
+    def view_list_task(self):
+        try:
+            data = self.__read_json_data()
+            text = ''
+            for i in data:
+               text += "SR.NO: "+str(i['id'])+" Task: "+i['task']+" Status: "+i["status"]+"\n"
+            return text
+        except Exception as e:
+            print("There is some error to read data")
+
+    def __find_missing_numbers(self,seq):
+        if not seq:
+            return 1
+        full_range = set(range(min(seq), max(seq) + 1))
+        missing = sorted(full_range - set(seq))
+        if not missing:
+            return max(seq) + 1
+        else:
+            return missing[0]
+    
+    def __create_sequence_id(self):
+        data = self.__read_json_data()
+        list_id = []
+        for ids in data:
+            list_id.append(ids["id"])
+        return self.__find_missing_numbers(list_id)
+
+    def __read_json_data(self):
+        try:
+            f = open('data.json')
+            data = json.load(f)
+            f.close()
+            return data
+        except Exception as e:
+            print("There is some error to reada data")
+        
+    def __write_data_in_file(self,data):
+        try:
+            data = sorted(data, key=lambda x: x["id"])
+            with open("data.json",'w') as file:
+                file.seek(0)
+                return json.dump(data, file, indent = 4)
+        except:
+            return "There is some error to data write in file"
diff --git a/data.json b/data.json
new file mode 100644
index 0000000..a06dd5e
--- /dev/null
+++ b/data.json
@@ -0,0 +1,12 @@
+[
+    {
+        "id": 1,
+        "task": "dad",
+        "status": "completed"
+    },
+    {
+        "id": 2,
+        "task": "Athis is test",
+        "status": "completed"
+    }
+]
\ No newline at end of file
diff --git a/week 3.py b/week 3.py
new file mode 100644
index 0000000..370f7aa
--- /dev/null
+++ b/week 3.py	
@@ -0,0 +1,48 @@
+list_tasks = {}
+available_nums = []
+task_counter = 1
+
+def get_task_num():
+    global task_counter
+    return available_nums.pop(0) if available_nums else task_counter
+
+while True:
+    action = input("\n[A]dd  [D]elete  [Q]uit: ").strip().lower()
+
+    if action == 'a':
+        name = input("Task name: ")
+        status = input("Status [C]ompleted / [P]ending: ").strip().lower()
+
+        if status not in ['c', 'p']:
+            print(" Enter C or P only.")
+            continue
+
+        stat = ("Completed", "Not pending") if status == 'c' else ("Not completed", "Pending")
+        num = get_task_num()
+        list_tasks[num] = {"Task Name": name, "Statuse is ": stat}
+        if not available_nums: task_counter += 1
+        print(f" Task {num} added.")
+
+    elif action == 'd':
+        try:
+            num = int(input("Task number to delete: "))
+            if num in list_tasks:
+                del list_tasks[num]
+                available_nums.append(num)
+                available_nums.sort()
+                print(f" Task {num} deleted.")
+            else:
+                print(" Task not found.")
+        except:
+            print(" Invalid number.")
+
+    elif action == 'q':
+        print(" Goodbye!")
+        break
+
+    else:
+        print(" Invalid choice.")
+
+    print("\n Task list:")
+    for n in sorted(list_tasks):
+        print(f"Task {n}: {list_tasks[n]}")
diff --git a/zahid-team-leader-question1.py b/zahid-team-leader-question1.py
new file mode 100644
index 0000000..58c0aad
--- /dev/null
+++ b/zahid-team-leader-question1.py
@@ -0,0 +1,21 @@
+from base_class import base_class
+base_function = base_class()
+
+try:
+    menu_list = base_function.menu_list()
+    for menu in menu_list:
+        print(f"{menu["text"]}\n")
+except Exception as e:
+    print(e)
+try:
+    menu_choice = int(input("Please Select from above menu "))
+    if(menu_choice == 1):
+        print(base_function.add_new_task())
+    elif(menu_choice == 2):
+        print(base_function.complete_task())
+    elif(menu_choice == 3):
+        print(base_function.delete_task())
+    elif(menu_choice == 4):
+        print(base_function.view_list_task())
+except Exception as e:
+        print("You selected Wrong option")
\ No newline at end of file