diff --git a/tasks.json b/tasks.json
new file mode 100644
index 0000000..504a8ba
--- /dev/null
+++ b/tasks.json
@@ -0,0 +1,17 @@
+[
+    {
+        "sequence_number": 1,
+        "task_name": "Python",
+        "task_status": "Pending"
+    },
+    {
+        "sequence_number": 2,
+        "task_name": "Python",
+        "task_status": "Pending"
+    },
+    {
+        "sequence_number": 3,
+        "task_name": "Linux",
+        "task_status": "Pending"
+    }
+]
\ No newline at end of file
diff --git a/vit_7_team_2_week_3.py b/vit_7_team_2_week_3.py
new file mode 100644
index 0000000..f1aafa8
--- /dev/null
+++ b/vit_7_team_2_week_3.py
@@ -0,0 +1,90 @@
+tasks=[]
+deleted_tasks=[]
+
+def add_newtask():
+    task={}
+    if len(tasks)==0:
+        task['sequence_number']=1
+    else:
+        task['sequence_number']=max([x['sequence_number'] for x in tasks]) + 1
+    task['task_name']=input('Enter the name of the task that you want to add: ')
+    task['task_status']=input('Enter the status of the task ( Pending / Completed / Deleted )')
+    tasks.append(task)
+    print('New task added succesfully...')
+
+def update_taskstatus():
+    for task in tasks:
+        print(task)
+    choice=input('Enter the sequence number of the task that you want to change the status:')
+    new_status=input('Enter the new status... Pending / Compeleted:  ')
+    for task in tasks:
+        if task['sequence_number']==int(choice):
+            task['task_status']=new_status
+            break
+    print('Task status updated succesfully...')
+
+def delete_task():
+    for i in tasks:
+        print(i)
+    choice=input('Enter the sequence number of the task that you want to delete:')
+    for task in tasks:
+        if task['sequence_number']==int(choice):
+            task['task_status']='Deleted'
+            deleted_tasks.append(task)
+            tasks.remove(task)
+            break
+    print('Task deleted succesfully...')
+
+def list_completed_tasks():
+    for task in tasks:
+        if task['task_status']=='Completed':
+            print(task)
+    
+def list_all_tasks():
+    for task in tasks:
+        print(task)
+    for task in deleted_tasks:
+        print(task)
+        
+
+def sequence_number(tasks):
+    if tasks==[]:
+        return 1
+    
+    else:
+    
+        sequence_number_set=set([x['sequence_number'] for x in tasks])
+        
+        matching_set=set(range(1,max(sequence_number_set)+1))
+        
+        if len(matching_set.difference(sequence_number_set))==0:
+            return max([x['sequence_number'] for x in tasks]) + 1
+        
+        else:
+            return min(matching_set.difference(sequence_number_set))
+
+
+while True:
+    print('Task Management System')
+    print('---------------------------------')
+    print("Enter '1' to add a new task")
+    print("Enter '2' to update a task status")
+    print("Enter '3' to delete a task")
+    print("Enter '4' to list the completed tasks")
+    print("Enter '5' to list all the tasks")
+    print("Enter '6' to exit")
+    choice=input("Enter your choice: ")
+    if choice=='1':
+        add_newtask()
+    elif choice=='2':
+        update_taskstatus()
+    elif choice=='3':
+        delete_task()
+    elif choice=='4':
+        list_completed_tasks()
+    elif choice=='5':
+        list_all_tasks()
+    elif choice=='6':
+        break
+    else:
+        print('Wrong entry! Please try again: ')
\ No newline at end of file