Edit PATH Variable Strings or help find duplicates in path

edit_path.py

import os
import tempfile
import subprocess

def edit_path_variable():
    # Get the current PATH variable
    current_path = os.environ.get('PATH', '')
    paths_list = current_path.split(':')

    # Display the current paths to the user
    print("Current PATH:")
    for idx, path in enumerate(paths_list, start=1):
        print(f"{idx}. {path}")

    # Prepare the text to be edited with "*" before duplicate paths
    edited_text = "\n".join(f"*{path}" if paths_list.count(path) > 1 else path for path in paths_list)

    # Create a temporary file and write the paths into it
    with tempfile.NamedTemporaryFile(mode='w', delete=False) as temp_file:
        temp_file.write(edited_text)

    # Open the temporary file with the default text editor
    try:
        subprocess.run([os.environ.get('EDITOR', 'vi'), temp_file.name], check=True)
    except subprocess.CalledProcessError:
        print("Error: Could not open the editor. Please check your default text editor.")

    # Read the edited paths from the temporary file
    edited_paths = []
    with open(temp_file.name, 'r') as edited_file:
        edited_paths = edited_file.read().splitlines()

    # Remove "*" prefix before saving the edited paths
    updated_paths = [path.lstrip("*") for path in edited_paths]

    # Join the edited paths back into a new PATH variable
    new_path = ":".join(updated_paths)

    # Update the PATH environment variable
    os.environ['PATH'] = new_path

    # Display the updated PATH with "*" for duplicates
    print("\nUpdated PATH:")
    for idx, path in enumerate(updated_paths, start=1):
        print(f"{idx}. {path}")

    # Clean up the temporary file
    os.remove(temp_file.name)

if __name__ == "__main__":
    edit_path_variable()