diff --git a/List : Sum of List Items.md b/List : Sum of List Items.md
index 34c38b13..d5eae10a 100644
--- a/List : Sum of List Items.md	
+++ b/List : Sum of List Items.md	
@@ -10,8 +10,15 @@ To write a Python program that calculates the **sum of all elements** in a list.
 
 ## 🧾 Program
 
-Add code here
+```
+L=[153,147,124,102] 
+print(sum(L)))
+```
 
 ## Output
 
+<img width="681" height="252" alt="image" src="https://github.com/user-attachments/assets/18f5573e-acb0-4221-b32a-5699c1562507" />
+
+
 ## Result
+Thus, the program has been successfully executed.
diff --git a/Regex: Filter Words Without the Letter 'e'.md b/Regex: Filter Words Without the Letter 'e'.md
index a9de1ce8..01e75795 100644
--- a/Regex: Filter Words Without the Letter 'e'.md	
+++ b/Regex: Filter Words Without the Letter 'e'.md	
@@ -14,7 +14,20 @@ To write a Python program that filters out and returns all elements from a list
 5. Print the final filtered list.
 
 ## 🧾 Program
-Add code here
+~~~
+import re
+l1=[] 
+items=['goal', 'new', 'user', 'sit', 'eat', 'dinner'] 
+for i in items: 
+   if not re.search(r"e",i): 
+      l1.append(i) 
+print(l1)
+~~~
 ## Output
 
+<img width="510" height="174" alt="image" src="https://github.com/user-attachments/assets/0d55026c-4507-4d33-89e3-0544638f8213" />
+
+
 ## Result
+
+Thus, the program has been successfully executed.
diff --git a/Strings-Accept a string and remove the nth index value from the string.md b/Strings-Accept a string and remove the nth index value from the string.md
index 4b9e4c76..f7ac2afb 100644
--- a/Strings-Accept a string and remove the nth index value from the string.md	
+++ b/Strings-Accept a string and remove the nth index value from the string.md	
@@ -15,8 +15,22 @@ To write a Python program that accepts a string and removes the character at a s
 8. Print the final result.
 
 ## 💻 Program
-Add Code Here
+```
+def remove(a,n):
+    for i in range(0,len(a)):
+        if(i!=n):
+            print(a[i],end='')
+a=input()
+n=int(input())
+remove(a,n)
+```
 
 ## Output
 
+<img width="852" height="170" alt="image" src="https://github.com/user-attachments/assets/c082d5bf-b147-4256-afdf-0e205bc86c4e" />
+
+
 ## Result
+
+Thus the program has been successfully executed
+
diff --git a/Strings:Palindrome Check (Without Built-in Functions).md b/Strings:Palindrome Check (Without Built-in Functions).md
index 70418a6d..2328377b 100644
--- a/Strings:Palindrome Check (Without Built-in Functions).md	
+++ b/Strings:Palindrome Check (Without Built-in Functions).md	
@@ -13,8 +13,23 @@ To write a Python program to check whether the string `"google"` is a **palindro
 
 ## 🧾 Program
 
-Add code here
+```
+string="google" 
+
+if string==string[::-1]: 
+
+   print ("The entered string is palindrome")
+
+else: 
+
+   print ("The entered string is not palindrome") 
+```
 
 ## Output
 
+<img width="657" height="145" alt="image" src="https://github.com/user-attachments/assets/32e76570-947d-492f-9fda-9319a1ca3b42" />
+
+
 ## Result
+
+Thus the given program is verified and executed sucessfully.
diff --git a/Tuple: Check Element Existence.md b/Tuple: Check Element Existence.md
index a3b31c14..3277c08b 100644
--- a/Tuple: Check Element Existence.md	
+++ b/Tuple: Check Element Existence.md	
@@ -10,8 +10,14 @@ To write a Python program that checks if the element `'n'` and the element `8` e
 4. Print the results.
 
 ## 🧾 Program
-Add code here
-
+```
+a=eval(input())
+print("n" not in a)
+print("8" in a)
+```
 ## Output
+<img width="916" height="237" alt="image" src="https://github.com/user-attachments/assets/c0fa125f-9e8b-4dc0-97d1-b8230c8aa630" />
+
 
 ## Result
+Thus the given program is verified and executed sucessfully