diff --git a/session1/index_extra.js b/session1/index_extra.js
index 5c36e0f4..a30c12b9 100644
--- a/session1/index_extra.js
+++ b/session1/index_extra.js
@@ -1,4 +1,3 @@
-<<<<<<< HEAD
 // CHALLENGE 1: REVERSE A STRING
 // Return a string in reverse
 // ex. reverseString('hello') === 'olleh'
@@ -232,13 +231,41 @@ function fizzBuzz() {
   //   }
   //   console.log(output);
   // }
+
 }
+  /* FIZZBUZZ -  CONTRIBUTED SOLUTION BY @sheygs_ 👇*/
+
+ // generates a range of number between 1 and max
+//  const generateMaxSequence = max => {
+//   return Array(max)
+//          .fill()
+//          .map((_,i) => i + 1);
+// }
+
+// const fizzBuzz = num => {
+//   return generateMaxSequence(num).map(num => {
+//     switch(true){
+//       case (num % 15 === 0):
+//         return "FizzBuzz";
+//       case (num % 3 === 0):
+//         return "Fizz";
+//       case (num % 5 === 0):
+//         return "Buzz";
+//       default:
+//         return num;    
+//     }
+//   }). join(', ');
+// }
+
+// const fizzBuzzSequence = fizzBuzz(30);
+
+/* FIZZBUZZ - CONTRIBUTED SOLUTION BY @sheygs_ 👆 */
 
 // Call Function
 const output = reverseString('hello');
 
 console.log(output);
-=======
+
 // CHALLENGE 1: REVERSE A STRING
 // Return a string in reverse
 // ex. reverseString('hello') === 'olleh'
@@ -412,4 +439,4 @@ function fizzBuzz() {
 const output = reverseString('hello');
 
 console.log(output);
->>>>>>> e8090fea1d9fe2c208a8f8ce4cc46be9f287b108
+
diff --git a/session3/index_extra.js b/session3/index_extra.js
index 22a94c92..7fb8691c 100644
--- a/session3/index_extra.js
+++ b/session3/index_extra.js
@@ -46,6 +46,11 @@ console.log(sumAllPrimes(10))
 
 function seekAndDestroy() {}
 
+/* SEEKANDDESTROY CONTRIBUTED SOLUTION BY @sheygs_ 👇*/
+  const seekAndDestroy = (list,...inputs) => list.filter(item => !inputs.includes(item));
+/* END OF CONTRIBUTED SOLUTION BY @sheygs_ 👆 */
+
+
 // CHALLENGE 4: SORT BY HEIGHT
 // Some people are standing in a row in a park. There are trees between them which cannot be moved. Your task is to rearrange the people by their heights in a non-descending order without moving the trees.
 // ex.