diff --git a/Web Socket.py b/Web Socket.py
index 9c3c91beafa..ed1a32ca08a 100644
--- a/Web Socket.py	
+++ b/Web Socket.py	
@@ -1,9 +1,16 @@
 # Program to print a data & it's Metadata of online uploaded file using "socket".
 import socket
-skt_c = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
-skt_c.connect(("data.pr4e.org", 80))
-link = "GET http://data.pr4e.org/intro-short.txt HTTP/1.0\r\n\r\n".encode()
-skt_c.send(link)
+from colorama import Fore # this module for Color the font 
+
+# handling the exceptions
+try:
+    skt_c = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
+    skt_c.connect(("data.pr4e.org", 80))
+    link = "GET http://data.pr4e.org/intro-short.txt HTTP/1.0\r\n\r\n".encode()
+    skt_c.send(link)
+except(Exception) as e:
+    # this code runes on error in any connection 
+    print(Fore.RED, e, Fore.RESET)
 
 while True:
     data = skt_c.recv(512)
diff --git a/url_shortner.py b/url_shortner.py
index 0631a4bdb60..05e13d76721 100644
--- a/url_shortner.py
+++ b/url_shortner.py
@@ -1,14 +1,21 @@
 # Importing the required libraries.
 import pyshorteners
+from colorama import Fore # this module for font color
 
 # Taking input from the user.
 url = input("Enter URL: ")
 
-# Creating an instance of the pyshorteners library.
-shortener = pyshorteners.Shortener()
+# exception handling 
+try:
+    # Creating an instance of the pyshorteners library.
+    shortener = pyshorteners.Shortener()
 
-# Shortening the URL using TinyURL.
-shortened_URL = shortener.tinyurl.short(url)
+    # Shortening the URL using TinyURL.
+    shortened_URL = shortener.tinyurl.short(url)
+
+    # Displaying the shortened URL.
+    print(f"Shortened URL: {shortened_URL}")
+except(Exception) as e:
+    # this code runes on any error is generated by user
+    print(Fore.RED, "Enter Valid URL format", Fore.RESET)
 
-# Displaying the shortened URL.
-print(f"Shortened URL: {shortened_URL}")
diff --git a/write_excel_file.py b/write_excel_file.py
index 10bfe86044a..8b710503555 100644
--- a/write_excel_file.py
+++ b/write_excel_file.py
@@ -1,9 +1,29 @@
-import xlwt
-import openpyxl
+import xlwt # type: ignore
+import openpyxl # type: ignore
 
 # Workbook is created
 xlwt_wb = xlwt.Workbook()
 
+"""
+we can also use of json object format for this file or code,
+for the index we can use (for loop) and for data use json object.
+example of json object:
+{
+    "data":[
+        "ISBT DEHRADUN".
+        "SHASTRADHARA",
+        "CLEMEN TOWN",
+        "RAJPUR ROAD",
+        "CLOCK TOWER",
+        "ISBT DEHRADUN",
+        "SHASTRADHARA",
+        "CLEMEN TOWN",
+        "RAJPUR ROAD",
+        "CLOCK TOWER"
+    ]
+}
+"""
+
 # add_sheet is used to create sheet.
 sheet1 = xlwt_wb.add_sheet("Sheet 1")