◆ os.listdir(path)
Return a list containing the names of the entries in the directory given by path. The list is in arbitrary order. It does not include the special entries '.' and '..' even if they are present in the directory.
◆ os.getcwd() method displays the current working directory
◆ os.chdir() method to change the current directory
◆ other file and directory operation functions:
os.rename(current_file_name, new_file_name)
os.remove(file_name)
os.mkdir("newdir")
os.rmdir('dirname')