def readSelected():
clipBoardInstance = Clipboard(from_system=True)
# make a temporary clipboard, with the message didn't found selected text, and clone it to system.
temporary = Clipboard({Clipboard.format_unicode: u"didn't found selected text."})
temporary.copy_to_system()
# copy new text to this set clipboard. If no text selected the text "didn't found selected text." remains on clipboard
Key("c-c/25").execute()
text = Clipboard(from_system=True).get_text()
sayOutLoud(text.encode('utf8'))
# set the first obtained clipboard back to the system.
clipBoardInstance.copy_to_system()
