diff --git a/File_Organizer/README.md b/File_Organizer/README.md
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+![Star Badge](https://img.shields.io/static/v1?label=%F0%9F%8C%9F&message=If%20Useful&style=style=flat&color=BC4E99)
+![Open Source Love](https://badges.frapsoft.com/os/v1/open-source.svg?v=103)
+
+# File Organizer
+
+## 🛠️ Description
+
+A simple Python script that organizes messy folders by sorting files into subfolders based on their file type. It supports 8 categories like Images, Documents, Videos, Audio, Code, etc. Also has an undo feature to reverse the organization if needed.
+
+## ⚙️ Languages or Frameworks Used
+
+You only need Python 3 to run this script. No extra libraries needed — it uses only built-in modules (`os`, `shutil`, `json`).
+
+You can visit [here](https://www.python.org/downloads/) to download Python.
+
+## 🌟 How to run
+
+Organize files in the current directory:
+
+```sh
+python file_organizer.py
+```
+
+Organize a specific folder:
+
+```sh
+python file_organizer.py /path/to/folder
+```
+
+Undo the last organization:
+
+```sh
+python file_organizer.py --undo
+```
+
+## 📺 Demo
+
+**Before:**
+```
+Downloads/
+├── report.pdf
+├── photo.jpg
+├── song.mp3
+├── script.py
+├── movie.mp4
+└── data.csv
+```
+
+**After running the script:**
+```
+Downloads/
+├── Documents/
+│   ├── report.pdf
+│   └── data.csv
+├── Images/
+│   └── photo.jpg
+├── Audio/
+│   └── song.mp3
+├── Code/
+│   └── script.py
+└── Videos/
+    └── movie.mp4
+```
+
+## 🤖 Author
+
+[Kaligotla Sri Datta Sai Vithal](https://github.com/Sridattasai18)
diff --git a/File_Organizer/file_organizer.py b/File_Organizer/file_organizer.py
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+import os       # for working with files and folders
+import shutil   # for moving files
+import sys      # for reading command line arguments
+import json     # for saving/loading the undo log
+
+# each key is a folder name, and the value is a list of
+# file extensions that belong in that folder
+categories = {
+    "Images": [".jpg", ".jpeg", ".png", ".gif", ".bmp", ".svg", ".webp"],
+    "Documents": [".pdf", ".doc", ".docx", ".txt", ".ppt", ".pptx", ".xls", ".xlsx", ".csv"],
+    "Videos": [".mp4", ".mkv", ".avi", ".mov", ".wmv", ".flv", ".webm"],
+    "Audio": [".mp3", ".wav", ".aac", ".flac", ".ogg", ".wma"],
+    "Archives": [".zip", ".rar", ".7z", ".tar", ".gz"],
+    "Code": [".py", ".js", ".html", ".css", ".java", ".cpp", ".c", ".go", ".json"],
+    "Executables": [".exe", ".msi", ".bat", ".sh"],
+}
+
+
+def get_category(extension):
+    """check which category a file extension belongs to"""
+    for folder_name, ext_list in categories.items():
+        if extension.lower() in ext_list:
+            return folder_name
+    # if extension doesn't match anything, put it in "Others"
+    return "Others"
+
+
+def organize(folder_path):
+    """sort all files in a folder into subfolders by type"""
+
+    folder_path = os.path.abspath(folder_path)
+
+    # make sure the folder actually exists
+    if not os.path.isdir(folder_path):
+        print("Error: '" + folder_path + "' is not a valid folder.")
+        return
+
+    print("\nOrganizing: " + folder_path + "\n")
+
+    # go through each item in the folder
+    move_log = []  # keep track of what we moved (for undo)
+    count = {}     # count how many files per category
+
+    for filename in os.listdir(folder_path):
+        file_path = os.path.join(folder_path, filename)
+
+        # skip if it's a folder, hidden file, or this script itself
+        if os.path.isdir(file_path):
+            continue
+        if filename.startswith("."):
+            continue
+        if filename == os.path.basename(__file__):
+            continue
+
+        # get the file extension (like ".pdf" or ".jpg")
+        name, ext = os.path.splitext(filename)
+
+        # figure out which category this file belongs to
+        category = get_category(ext)
+
+        # create the category folder if it doesn't exist yet
+        category_folder = os.path.join(folder_path, category)
+        if not os.path.exists(category_folder):
+            os.makedirs(category_folder)
+
+        # build the destination path
+        destination = os.path.join(category_folder, filename)
+
+        # if a file with the same name already exists, add a number
+        # example: photo.jpg becomes photo_1.jpg, photo_2.jpg, etc.
+        if os.path.exists(destination):
+            i = 1
+            while os.path.exists(destination):
+                destination = os.path.join(category_folder, name + "_" + str(i) + ext)
+                i += 1
+
+        # move the file
+        shutil.move(file_path, destination)
+
+        # log it and update the count
+        move_log.append({"from": file_path, "to": destination})
+        count[category] = count.get(category, 0) + 1
+        print("  " + filename + " -> " + category + "/")
+
+    # if nothing was moved
+    if not move_log:
+        print("No files to organize!")
+        return
+
+    # save a log file so we can undo later
+    log_path = os.path.join(folder_path, ".organizer_log.json")
+    with open(log_path, "w") as f:
+        json.dump(move_log, f, indent=2)
+
+    # print a summary
+    total = sum(count.values())
+    print("\nDone! Moved " + str(total) + " files.\n")
+    for cat in sorted(count):
+        print("  " + cat + ": " + str(count[cat]))
+    print("\nTip: run with --undo to put everything back.")
+
+
+def undo(folder_path):
+    """move all organized files back to where they were"""
+
+    folder_path = os.path.abspath(folder_path)
+    log_path = os.path.join(folder_path, ".organizer_log.json")
+
+    # check if the log file exists
+    if not os.path.exists(log_path):
+        print("Nothing to undo.")
+        return
+
+    # read the log
+    with open(log_path, "r") as f:
+        move_log = json.load(f)
+
+    print("\nUndoing...\n")
+
+    restored = 0
+    for entry in move_log:
+        if os.path.exists(entry["to"]):
+            shutil.move(entry["to"], entry["from"])
+            print("  Restored: " + os.path.basename(entry["from"]))
+            restored += 1
+
+    # clean up empty folders that were created
+    all_categories = list(categories.keys()) + ["Others"]
+    for cat in all_categories:
+        cat_folder = os.path.join(folder_path, cat)
+        if os.path.isdir(cat_folder) and len(os.listdir(cat_folder)) == 0:
+            os.rmdir(cat_folder)
+
+    # remove the log file
+    os.remove(log_path)
+
+    print("\nRestored " + str(restored) + " files.")
+
+
+# --- main program starts here ---
+
+if __name__ == "__main__":
+
+    # check what the user typed in the command line
+    if len(sys.argv) > 1 and sys.argv[1] == "--undo":
+        # user wants to undo
+        folder = sys.argv[2] if len(sys.argv) > 2 else "."
+        undo(folder)
+
+    elif len(sys.argv) > 1 and sys.argv[1] == "--help":
+        # show help
+        print("File Organizer - sorts files into folders by type")
+        print("")
+        print("Usage:")
+        print("  python file_organizer.py              # organize current folder")
+        print("  python file_organizer.py /some/path    # organize a specific folder")
+        print("  python file_organizer.py --undo        # undo last organize")
+
+    else:
+        # organize the given folder (or current folder if none given)
+        folder = sys.argv[1] if len(sys.argv) > 1 else "."
+        organize(folder)
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
similarity index 100%
rename from NASA_Image_Extraction/Astro_Images/2022-11-25_NGC 6744: Extragalactic Close-Up.mp3
rename to NASA_Image_Extraction/Astro_Images/2022-11-25_NGC 6744-Extragalactic Close-Up.mp3