python please and can i get full understandable code with indents. please and thank you.

"Write a GUI-based program that implements an image browser for your computer's hard disk. At start-up, the program should load a scrolling list box with three types of items: The filenames of the images in the current working directory . The names of any subdirectories within the current working directory . The string ".. " (denoting the parent directory) The pathname of the current working directory is also displayed in an entry field. When the user selects an item in the list box and presses the Go button, one of three things can happen: . If the item is an image filename, the image is loaded and displayed. . If the item is a subdirectory, the program attaches to that directory and refreshes the list box contents. . If the item is the string", the program attaches to the parent directory if there is one and refreshes the list . box with its contents. In the last two cases, the contents of the entry field are also updated