diff --git a/har_parser.py b/har_parser.py
new file mode 100644
index 0000000..243787b
--- /dev/null
+++ b/har_parser.py
@@ -0,0 +1,43 @@
+import json
+
+def main():
+    """
+    Opens a HAR archive file "data.har" and prints a list of files (URLs)
+    found in the archive.
+    """
+    har_file_path = "data.har"
+    try:
+        with open(har_file_path, 'r', encoding='utf-8') as f:
+            har_data = json.load(f)
+    except FileNotFoundError:
+        print(f"Error: The file '{har_file_path}' was not found.")
+        return
+    except json.JSONDecodeError:
+        print(f"Error: Could not decode JSON from the file '{har_file_path}'.")
+        return
+    except Exception as e:
+        print(f"An unexpected error occurred while reading the file: {e}")
+        return
+
+    try:
+        entries = har_data.get('log', {}).get('entries', [])
+        if not entries:
+            print("No entries found in the HAR file.")
+            return
+
+        print("Files found in the HAR archive:")
+        for entry in entries:
+            request = entry.get('request', {})
+            url = request.get('url')
+            if url:
+                print(url)
+            else:
+                print("Entry found with no request URL.")
+    except AttributeError:
+        print("Error: The HAR file does not have the expected structure ('log' or 'entries' missing).")
+    except Exception as e:
+        print(f"An unexpected error occurred while processing HAR entries: {e}")
+
+
+if __name__ == "__main__":
+    main()