import ossearchPath = r"."def searchFiles(file, searchPath, root = searchPath):    for item in os.listdir(searchPath):        absPath = os.path.join(searchPath, item)        if os.path.isdir(absPath):            searchFiles(file, absPath, root)        if os.path.isfile(absPath):            if item == file:                return print(absPath.replace(root,''))if __name__ == "__main__":    searchFiles('demo', searchPath)