Found multiple bugs in Graphics code (tkinter_graphics.py)

[Sapt-pal]

CodeFactor found multiple issues:

Using global for 'password_custom' but no assignment is done

• tkinter_graphics.py:146

Using global for 'username' but no assignment is done

• tkinter_graphics.py:145

Using global for 'url' but no assignment is done

• tkinter_graphics.py:144

Using global for 'choice' but no assignment is done

• tkinter_graphics.py:108

Using global for 'login_label' but no assignment is done

• tkinter_graphics.py:43

Using global for 'create' but no assignment is done

• tkinter_graphics.py:42