def METHOD_NAME(path, hex_file):
    with open(hex_file,'w',newline='\n') as hex_file:
        for filename in os.listdir(path):
            if filename.endswith(".png"):
                png_file = os.path.join(path,filename)
                unicode_value=filename.split('u')[1].split('.')[0]
                hex_file.write(unicode_value.upper()+":"+png_to_hex(png_file)+"\n")