diff --git a/similarity_engines/sequence.py b/similarity_engines/sequence.py
new file mode 100644
index 0000000..c821cae
--- /dev/null
+++ b/similarity_engines/sequence.py
@@ -0,0 +1,18 @@
+from difflib import SequenceMatcher
+
+
+def file_similarity(file1_path, file2_path):
+    with open(file1_path, "r", encoding="utf-8") as file1:
+        with open(file2_path, "r", encoding="utf-8") as file2:
+            file1_content = file1.read()
+            file2_content = file2.read()
+
+    similarity = SequenceMatcher(None, file1_content, file2_content).ratio()
+    return similarity * 100
+
+
+file1_path = "golden.md"
+file2_path = "file1.md"
+
+similarity_percentage = file_similarity(file1_path, file2_path)
+print(f"The similarity between the two files is: {similarity_percentage:.2f}%")
diff --git a/similarity_engines/similarity.py b/similarity_engines/similarity.py
new file mode 100644
index 0000000..cab728a
--- /dev/null
+++ b/similarity_engines/similarity.py
@@ -0,0 +1,59 @@
+from difflib import ndiff
+
+
+def compare_files_take_5(gold_file_path, predicted_file_path, threshold=0.8):
+    try:
+        with open(gold_file_path, "r") as gold_file, open(
+            predicted_file_path, "r"
+        ) as predicted_file:
+            gold_content = gold_file.read()
+            predicted_content = predicted_file.read()
+
+        differences = list(ndiff(gold_content, predicted_content))
+
+        added_text = "".join([diff[2:]
+                             for diff in differences if diff.startswith("+")])
+        deleted_text = "".join(
+            [diff[2:] for diff in differences if diff.startswith("-")]
+        )
+
+        added_length = len(added_text)
+        deleted_length = len(deleted_text)
+
+        total_length = max(len(gold_content), len(predicted_content))
+
+        similarity_ratio = 1 - (added_length + deleted_length) / total_length
+
+        is_similar = similarity_ratio >= threshold
+
+        return (
+            is_similar,
+            similarity_ratio,
+            added_length,
+            deleted_length,
+            added_text,
+            deleted_text,
+        )
+
+    except Exception as e:
+        print(f"Error: {e}")
+        return False, 0, 0, 0, "", ""
+
+
+gold_standard_file = "golden.md"
+predicted_file = "file1"
+
+is_similar, similarity_ratio, added_length, deleted_length, added_text, deleted_text = (
+    compare_files_take_5(gold_standard_file, predicted_file)
+)
+
+print(f"Similarity Ratio: {similarity_ratio:.2%}")
+print(f"Is Similar: {is_similar}")
+print(f"Added Length: {added_length} characters")
+print(f"Deleted Length: {deleted_length} characters")
+
+# print("\nAdded Text:")
+# print(added_text)
+
+# print("\nDeleted Text:")
+# print(deleted_text)