Imports fyne.io/fyne/v2 fyne.io/fyne/v2/canvas fyne.io/fyne/v2/container fyne.io/fyne/v2/driver/desktop fyne.io/fyne/v2/theme github.com/skx/gobasic/builtin github.com/skx/gobasic/eval github.com/skx/gobasic/object github.com/skx/gobasic/tokenizer Standard library imports bufio fmt image/color runtime strings time