diff --git a/DAY-1.md b/DAY-1.md
index 9f621ea..0f24b4b 100644
--- a/DAY-1.md
+++ b/DAY-1.md
@@ -54,7 +54,7 @@ Python's simplicity and readability make it an excellent choice for scripting ta
 import shutil
 import os
 
-def backup_folder(source_folder, backup_folder):
+def backup(source_folder, backup_folder):
     try:
         # Check if the source folder exists
         if not os.path.exists(source_folder):
@@ -66,7 +66,7 @@ def backup_folder(source_folder, backup_folder):
             os.makedirs(backup_folder)
 
         # Copy contents of source folder to backup folder
-        shutil.copytree(source_folder, os.path.join(backup_folder, os.path.basename(source_folder)))
+        shutil.copytree(source_folder, os.path.join(backup_folder, os.path.basename(source_folder)), dirs_exist_ok=True)
 
         print(f"Backup completed successfully.")
     except Exception as e:
@@ -75,6 +75,9 @@ def backup_folder(source_folder, backup_folder):
 # Example usage
 source_folder = '/path/to/source_folder'
 backup_folder = '/path/to/backup_folder'
+
+# Call the backup function
+backup(source_folder, backup_path)
 ```
 
 ### 2. **Configuration Management**: