i enter password in lineedit, i entered wrong password so i have reset touch pushbutton so i press reset button in password line edit it clears wrong password but user again enter password it takes old password with new password or appended

eg:
password : 1111

done button reset button exit button

user press reset button


password :

again password enter by user

pasword : 11111111

but user only enter 4 digit only like 1111 but it takes previous value and preset value how to avoid previous value


why it takes appended