def _delete_vocabulary(self):
# item = self.tree.selection()[0]
#item = self.tree.identify('item',event.x,event.y)
#print("you clicked on", self.tree.item(item,"text"))
values = self.tree.item(self.item,"values")
print(values[0])
db = 'studyenglish.db'
tbl = 'vocabulary'
sqlVocab = SqliteVocabulary("studyenglish.db", "vocabulary")
words = sqlVocab.delete_word(values[0])
