update table set number2 = number where number != "" and set number, number2 = $number where number="";update table set number2 = number wherenumber != "";
update table set
alter_user_first_name_max_length') File "C:\Users\jsooh\projects\Sevenenglish\11-3\manage.py", line 22, in <module> File "C:\Users\jsooh\projects\Sevenenglish\11-3\manage.pyWindowsPath' is not iterable