Use textvariable for Text box without Entry in TKinter
TextArea = Text(textareaframe)#Remove the textvariable keyword argumentTextArea.pack()
To get the contents of the Text box you can do something like :
contents = TextArea.get('1.0','end')
TextArea.get('1.0','end')
returns all the contents of the text box from the 0 index to the last index