diff --git a/README.md b/README.md
index 4e8b747..fa716d7 100644
--- a/README.md
+++ b/README.md
@@ -1,10 +1,25 @@
 # mysql-python-util
-MySQL Python utils.
 
-Note : It's under development. 
+Blog Link : https://shashankvivek.in/2022/07/11/using-python-to-execute-mysql-insert-and-update-queries/
 
-This is a MySQL utilities project created in Python. 
-Initially you can do below things.
+This is a MySQL command line utility project written in Python. 
 
-1. Run an insert / update query with an option to manually commit the result. 
+You can do below things.
+Execute an insert / update query with an option to manually commit the result. Basically before commmiting any result to database it asks whether you want to proceed or not by showing number of effected rows.
 
+Usage : 
+--------
+```
+python insert_update.py --query "your_query"
+```
+
+
+Development :
+--------------
+This runs on python 2.7 versions.
+
+Install Dependencies :
+--------------------
+```
+pip install -r requirements.txt
+```
diff --git a/insert_update.py b/insert_update.py
index cb71d10..125d0f3 100644
--- a/insert_update.py
+++ b/insert_update.py
@@ -3,41 +3,57 @@
 import argparse
 from mysql_config import DB_MYSQL
 
-db = MySQLdb.connect(host=DB_MYSQL['host'],
-                     user=DB_MYSQL['user'],
-                     passwd=DB_MYSQL['passwd'],
-                     db=DB_MYSQL['database'])
+def get_db_connection():
+    """
+    Establish and return a new MySQL database connection.
+    """
+    return MySQLdb.connect(
+        host=DB_MYSQL['host'],
+        user=DB_MYSQL['user'],
+        passwd=DB_MYSQL['passwd'],
+        db=DB_MYSQL['database']
+    )
 
+def execute_update_query(query: str) -> bool:
+    """
+    Executes an INSERT or UPDATE query with manual commit confirmation.
 
-def execute_update_query(query):
+    Args:
+        query (str): The SQL query to execute.
+
+    Returns:
+        bool: True if committed, False if rolled back.
+    """
+    db = get_db_connection()
     try:
-        cur = db.cursor()
-        cur.execute(query)
-        nums_of_rows_effected = cur.rowcount
-        print "Total number of rows to be commited is : %s" % nums_of_rows_effected
-        user_input = raw_input("Proceed with commiting (y/n) : ")
-        if user_input.lower() == 'y':
-            db.commit()
-            print("Commited !!")
-        elif user_input.lower() == 'n':
-            db.rollback()
-            print("Rolled Back")
-        else:
-            print("Invalid Option. \n Valid Options are y and n")
-            db.rollback()
-            sys.exit(1)
-    except KeyboardInterrupt as ke:
+        with db.cursor() as cur:
+            cur.execute(query)
+            nums_of_rows_effected = cur.rowcount
+            print("Total number of rows to be committed is: %s" % nums_of_rows_effected)
+            user_input = raw_input("Proceed with committing (y/n): ")
+            if user_input.lower() == 'y':
+                db.commit()
+                print("Committed!")
+                return True
+            elif user_input.lower() == 'n':
+                db.rollback()
+                print("Rolled Back")
+                return False
+            else:
+                print("Invalid Option. Valid Options are y and n")
+                db.rollback()
+                sys.exit(1)
+    except KeyboardInterrupt:
         db.rollback()
+        print("Interrupted. Rolled Back")
         sys.exit(1)
     except Exception as e:
-        print e
-
+        db.rollback()
+        print("Error:", e)
+        sys.exit(1)
     finally:
         db.close()
 
-    return True
-
-
 if __name__ == '__main__':
     parser = argparse.ArgumentParser(description='Insert / Update MySQL queries from here.')
     parser.add_argument('--query', required=True, type=str, help='MySQL query to execute')