def check_list_all():
for i in range(len(list_all)):
for j in range(i+1, len(list_all)):
if list_all[i] == list_all[j]:
value = (list_all[i], list_all[j])
s = str(value)
## text_cmd.insert(END, s)
## text_cmd.insert(END, '\r\n')
with open('File3.txt', 'a') as f3:
f3.write(s+'\r\n')
f3.close()
check_list_all()