diff --git a/Backend/main.py b/Backend/main.py
index 270ed02..5ed46ed 100644
--- a/Backend/main.py
+++ b/Backend/main.py
@@ -1,6 +1,5 @@
-# Module main.py
-# This module is the main entry point for the pet adoption web application.
-# It defines routes and their functions for managing pets and user information.
+""" This module is the main entry point for the pet adoption web application.
+It defines routes and their functions for managing pets and user information. """
 from flask import Flask, request, jsonify
 from pet_func import get_random_pet
 from user_func import add_user_favorite, remove_user_favorite, replace_user_location
@@ -33,4 +32,4 @@ def replace_user_information():
     return jsonify(replace_user_location(new_location)), 200
 
 if __name__ == "__main__":
-    app.run(host="0.0.0.0", port=5000, debug=True)
+    app.run(host="0.0.0.0", port=5000, debug=True)
\ No newline at end of file
diff --git a/Backend/pet_func.py b/Backend/pet_func.py
index 71477a3..6638903 100644
--- a/Backend/pet_func.py
+++ b/Backend/pet_func.py
@@ -1,6 +1,5 @@
-# Module pet_func.py
-# This module handles pet-related functionalities, providing details about random pets.
-# It uses the Flask framework to return pet information in a JSON format.
+""" This module handles pet-related functionalities, providing details about random pets.
+It uses the Flask framework to return pet information in a JSON format. """
 from flask import jsonify
 
 def get_random_pet():
diff --git a/Backend/test_main.py b/Backend/test_main.py
index 3a7bf11..8cffc9d 100644
--- a/Backend/test_main.py
+++ b/Backend/test_main.py
@@ -1,6 +1,5 @@
-# Module test_main.py
-# This module contains unit tests for the pet adoption web application, testing the functionality
-# of various endpoints. It uses the requests library to simulate HTTP requests.
+""" This module contains unit tests for the pet adoption web application, testing the functionality
+of various endpoints. It uses the requests library to simulate HTTP requests. """
 import requests
 
 def test_get_random_pet():
@@ -39,4 +38,4 @@ def test_change_user_location():
     """Test for http://localhost:5000/change_user_location."""
     url = "http://localhost:5000"
     response = requests.put(f"{url}/change_user_location", json={"Location": "New York"}, timeout=10)
-    assert response.json() == {"Location": "New York", "Name": "Eric", "Occupation": "Student", "Password": "2020"}
+    assert response.json() == {"Location": "New York", "Name": "Eric", "Occupation": "Student", "Password": "2020"}
\ No newline at end of file
diff --git a/Backend/user_func.py b/Backend/user_func.py
index f02b029..bb4cf17 100644
--- a/Backend/user_func.py
+++ b/Backend/user_func.py
@@ -1,8 +1,12 @@
-# Module user_func.py
-# This module handles user-related functionalities such as managing favorites and updating user information.
+""" This module handles user-related functionalities such as managing favorites and updating user information. """
 
 user_favorite_database = []  # Simulate a database for user favorites
-user_acc_info = {"Name": "Eric", "Password": "2020", "Location": "Connecticut", "Occupation": "Student"}
+user_acc_info = {
+    "Name": "Eric",
+    "Password": "2020",
+    "Location": "Connecticut",
+    "Occupation": "Student"
+}
 
 def add_user_favorite(json_data):
     """Add user favorite pet to the database."""
@@ -18,4 +22,4 @@ def replace_user_location(new_location):
     """Change the user account location."""
     new_location = new_location.get("Location")
     user_acc_info["Location"] = new_location  # Set new location associated with the user
-    return user_acc_info  # Return updated user account information
+    return user_acc_info  # Return updated user account information
\ No newline at end of file