diff --git a/Address Validator/AddressValidator.py b/Address Validator/AddressValidator.py
index 0dc49be1..6f99905c 100644
--- a/Address Validator/AddressValidator.py	
+++ b/Address Validator/AddressValidator.py	
@@ -1,16 +1,16 @@
-def addressVal(address):
-    dot = address.find(".")
-    at = address.find("@")
-    if (dot == -1):
-        print("Invalid")
-    elif (at == -1):
-        print("Invalid")
-    else:
+import re
+
+
+def addressVal(address: str) -> None:
+    address_pattern: str = r"^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$"
+    if re.fullmatch(address_pattern, address):
         print("Valid")
+    else:
+        print("Invalid")
 
-print("This program will decide if your input is a valid email address")
-while(True):
-    print("A valid email address needs an '@' symbol and a '.'")
-    x = input("Input your email address:")
 
-    addressVal(x)
+print("This program will decide if your input is a valid email address")
+while True:
+    print("A valid email address should look like 'example@gmail.com'")
+    address = input("Input your email address:")
+    addressVal(address)
diff --git a/Email Slicer/EmailSlicer.py b/Email Slicer/EmailSlicer.py
index 54171bcf..d6e70db0 100644
--- a/Email Slicer/EmailSlicer.py	
+++ b/Email Slicer/EmailSlicer.py	
@@ -13,8 +13,7 @@ def isValidEmail(email):
 email = input("Enter your email id - ")
 
 if isValidEmail(email):
-    username = email[0:email.index('@')]
-    domain = email[email.index('@')+1: ]
+    username, domain = email.split('@')
     print("Username - ", username)
     print("Domain - ", domain)
 else:
diff --git a/NASA_Image_Extraction/Astro_Images/2022-11-25_NGC 6744: Extragalactic Close-Up.mp3 b/NASA_Image_Extraction/Astro_Images/2022-11-25_NGC 6744: Extragalactic Close-Up.mp3
deleted file mode 100644
index f5611fcf..00000000
Binary files a/NASA_Image_Extraction/Astro_Images/2022-11-25_NGC 6744: Extragalactic Close-Up.mp3 and /dev/null differ
diff --git a/NASA_Image_Extraction/Astro_Images/2022-11-25_NGC_6744__Extragalactic_Close-Up.mp3 b/NASA_Image_Extraction/Astro_Images/2022-11-25_NGC_6744__Extragalactic_Close-Up.mp3
new file mode 100644
index 00000000..e69de29b