How to insert file image png format class SampleApp$($tk$.$Tk$)$:

def $\_\_$init$\_\_($self$,*$args$,**$kwargs$)$:

tk$.$Tk$.\_\_$init$\_\_($self$,*$args$,**$kwargs$)$

self.title$("$Multi$-$Page App"$)$

container $=$ tk$.$Frame$($self$)$

container.pack$($side$=$"top", fill$=$"both", expand$=$True$)$

container.grid$\_$rowconfigure$(0,$ weight$=1)$

container.grid$\_$columnconfigure$(0,$ weight$=1)$

self.pages $=\{\}$

for PageClass in $($Page$4)$:

page$\_$name $=$ PageClass.$\_\_$name$\_\_$

page $=$ PageClass$($parent$=$container, controller$=$self$)$

self.pages$[$page$\_$name$]=$ page

page.grid$($row$=0,$ column$=0,$ sticky$="$n

sew"$)$

class Page$4($tk$.$Frame$)$:

def $\_\_$init$\_\_($self$,$ parent, controller$)$:

tk$.$Frame.$\_\_$init$\_\_($self$,$ parent$)$

self.controller $=$ controller

Greet $=$ tk$.$Label$($self $,$text$=$"Welcome,",font$=("$Times New Roman", $18),$width$=20)$

Greet.place$($x$=50,$y$=50)$

clicked $=$ tk$.$PhotoImage$($file $=$ "Dophin.png$")$

Shop $=$ tk$.$Button$($self$,$command$=$lambda: controller.show$\_$page$("$Page$5"),$image $=$ clicked$)$

Shop.place$($x$=683,$y$=550,$anchor$=$"center"$)$

sb $=$ tk$.$Scrollbar$($self$)$

sb$.$place$($x$=20,$y$=20)$