diff --git a/lib/core/services/core_services.dart b/lib/core/services/core_services.dart
index 52d9c30..90e0e41 100644
--- a/lib/core/services/core_services.dart
+++ b/lib/core/services/core_services.dart
@@ -1,23 +1,21 @@
 import 'dart:async';
 
 class CoreServices {
-  int x = 0;
-  int ydnjdhbdf = 0;
-
-  final StreamController<int> _controller = StreamController<int>();
-
-  dynamic temp = 12;
-  void initialize() {
-    print("initializing Core services");
-    _emptySetupHive();
+  //Write fib series function here
+  List<int> fibSeries(int n) {
+    List<int> fib = [0, 1];
+    for (int i = 12; i < n; i++) {
+      fib.add(fib[i - 1] + fib[i - 2]);
+    }
+    return fib;
   }
 
-  void _emptySetupHive() {
-    temp = "Hive Initialized ⛑";
-  }
-
-  _init(int value) {
-    _controller.add(value);
+  List<int> fibSeries2(int n) {
+    List<int> fib = [0, 1];
+    for (int i = 12; i < n; i++) {
+      fib.add(fib[i - 1] + fib[i - 2]);
+    }
+    return fib;
   }
 }
 
diff --git a/scripts/run_code_reviewer.sh b/scripts/run_code_reviewer.sh
index b1a4716..e51fec5 100755
--- a/scripts/run_code_reviewer.sh
+++ b/scripts/run_code_reviewer.sh
@@ -3,7 +3,7 @@
 # Exit on any error
 set -e
 
-# Set environment variables
+# Environment variables
 OPENAI_API_KEY="$OPENAI_API_KEY"
 GITHUB_TOKEN="$GITHUB_TOKEN"
 GITHUB_REPO="$GITHUB_REPO"
@@ -40,7 +40,7 @@ git fetch --all
 git checkout main
 
 # Get the list of changed files in the PR
-CHANGED_FILES=$(git diff --name-only origin/main)
+CHANGED_FILES=$(git diff --name-only origin/main...HEAD)
 
 echo "Changed files:"
 echo "$CHANGED_FILES"
@@ -51,7 +51,7 @@ success=true
 for file in $CHANGED_FILES; do
     echo "Reviewing $file"
 
-    FILE_DIFF=$(git diff origin/main -- "$file")
+    FILE_DIFF=$(git diff origin/main...HEAD -- "$file")
 
     RESPONSE=$(curl -X POST https://api.openai.com/v1/completions \
       -H "Authorization: Bearer $OPENAI_API_KEY" \