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how to add image in Tkinter in python

class SeaofBTCapp(tk.Tk):


        
    def __init__(self, *args, **kwargs):
      
        tk.Tk.__init__(self, *args, **kwargs)
        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.frames = {}



        for F in (StartPage,Pcb1,Pcb2,PageOne1,PageOne11,PageOne12,PageOne13,PageTwo2,PageTwo11,PageTwo12,PageTwo13,PageThree3,PageThree11,PageThree12,PageThree13,Pagea,Pageb,Pagec,Paged,Pagee,Pagef,Pageg,Pageh,Pagei,Pagej,Pagek,Pagel,Pagem,Pagen,Pageo,Pagep,Pageq,Pager,Pages,Paget,Pageu,Pagev,Pagew,Pagex,Pagey,Pagez,Pagey_z,H5,H12,B5,B12,F5,F12):

            frame = F(container, self)

            self.frames[F] = frame

            frame.grid(row=0, column=0, sticky="nsew")

        self.show_frame(StartPage)

    def show_frame(self, cont):

        frame = self.frames[cont]
        frame.tkraise()

      
class StartPage(tk.Frame):
    
        
        


    def __init__(self, parent, controller):
        tk.Frame.__init__(self,parent)

        
        label = tk.Label(self, text="Siddaganga Institute of Technology, Tumkur", font=LARGE_FONT3)
        label.pack()

        label1 = tk.Label(self, text=" Dept. of Telecommunication Engg.", font=LARGE_FONT4)
        label1.pack(pady=10,padx=10)
        label1 = tk.Label(self, text=" Virtual LAB ", font=LARGE_FONT4)
        label1.pack(pady=10,padx=10)
        label1 = tk.Label(self, text=" For", font=LARGE_FONT4)
        label1.pack(pady=10,padx=10)
        label1 = tk.Label(self, text=" Analog Electronic Circuits Experiments", font=LARGE_FONT4)
        label1.pack(pady=10,padx=10)


        button1 = tk.Button(self, font=LARGE_FONT, text="Click for Experiments on Rectifier Circuits and Line and Load Regulation",
                            command=lambda: controller.show_frame(Pcb1))
        button1.pack(pady=20,padx=20)

        #button2 = tk.Button(self, font=LARGE_FONT, text="                            PCB2                ",
                          #  command=lambda: controller.show_frame(Pcb2))
      
       # button2.pack(pady=20,padx=20)
        

        button13 = tk.Button(self, font=LARGE_FONT2, text="click for reset",
                            command=led_on28)
      
        button13.pack()
        
class Pcb1(tk.Frame):

    def __init__(self, parent, controller):
        tk.Frame.__init__(self, parent)
        label = tk.Label(self, text="Siddaganga Institute of Technology", font=LARGE_FONT4)
        label.pack()


        label1 = tk.Label(self, text=" Virtual LAB", font=LARGE_FONT4)
        label1.pack(pady=10,padx=10)


        button1 = tk.Button(self, font=LARGE_FONT, text="Half Wave Rectifier and Regulator ",
                            command=lambda: controller.show_frame(PageOne1))
        button1.pack(pady=20,padx=20)

        button2 = tk.Button(self, font=LARGE_FONT, text="Full Wave Rectifier and Regulator",
                            command=lambda: controller.show_frame(PageTwo2))
      
        button2.pack(pady=20,padx=20)

        button4 = tk.Button(self, font=LARGE_FONT, text="Bridge Rectifier and Regulator ",
                            command=lambda: controller.show_frame(PageThree3))
      
        button4.pack(pady=20,padx=20)