# importing the tkinter module and PIL that# is pillow modulefromtkinterimport*fromPILimportImageTk,Image# Calling the Tk (The initial constructor of tkinter)root=Tk()# We will make the title of our app as Image Viewerroot.title("Image Viewer")# The geometry of the box which will be displayed# on the screenroot.geometry("700x700")# Adding the images using the pillow module which# has a class ImageTk We can directly add the# photos in the tkinter folder or we have to# give a proper path for the imagesimage_no_1=ImageTk.PhotoImage(Image.open("Sample.png"))image_no_2=ImageTk.PhotoImage(Image.open("sample.png"))image_no_3=ImageTk.PhotoImage(Image.open("Sample.png"))image_no_4=ImageTk.PhotoImage(Image.open("sample.png"))# List of the images so that we traverse the listList_images=[image_no_1,image_no_2,image_no_3,image_no_4]label=Label(image=image_no_1)# We have to show the box so this below line is neededlabel.grid(row=1,column=0,columnspan=3)# We will have three button back ,forward and exitbutton_back=Button(root,text="Back",command=back,state=DISABLED)# root.quit for closing the appbutton_exit=Button(root,text="Exit",command=root.quit)button_forward=Button(root,text="Forward",command=lambda:forward(1))# grid function is for placing the buttons in the framebutton_back.grid(row=5,column=0)button_exit.grid(row=5,column=1)button_forward.grid(row=5,column=2)root.mainloop()

defforward(img_no):# GLobal variable so that we can have# access and change the variable# whenever neededgloballabelglobalbutton_forwardglobalbutton_backglobalbutton_exitlabel.grid_forget()# This is for clearing the screen so that# our next image can pop uplabel=Label(image=List_images[img_no-1])# as the list starts from 0 so we are# subtracting onelabel.grid(row=1,column=0,columnspan=3)button_for=Button(root,text="forward",command=lambda:forward(img_no+1))# img_no+1 as we want the next image to pop upifimg_no==4:button_forward=Button(root,text="Forward",state=DISABLED)# img_no-1 as we want previous image when we click# back buttonbutton_back=Button(root,text="Back",command=lambda:back(img_no-1))# Placing the button in new gridbutton_back.grid(row=5,column=0)button_exit.grid(row=5,column=1)button_for.grid(row=5,column=2)

# importing the tkinter module and PIL# that is pillow modulefromtkinterimport*fromPILimportImageTk,Imagedefforward(img_no):globallabelglobalbutton_forwardglobalbutton_backglobalbutton_exitlabel.grid_forget()label=Label(image=List_images[img_no-1])label.grid(row=1,column=0,columnspan=3)button_forward=Button(root,text="forward",command=lambda:forward(img_no+1))ifimg_no==4:button_forward=Button(root,text="Forward",state=DISABLED)button_back=Button(root,text="Back",command=lambda:back(img_no-1))button_back.grid(row=5,column=0)button_exit.grid(row=5,column=1)button_forward.grid(row=5,column=2)defback(img_no):globallabelglobalbutton_forwardglobalbutton_backglobalbutton_exitlabel.grid_forget()label=Label(image=List_images[img_no-1])label.grid(row=1,column=0,columnspan=3)button_forward=Button(root,text="forward",command=lambda:forward(img_no+1))button_back=Button(root,text="Back",command=lambda:back(img_no-1))ifimg_no==1:button_back=Button(root,text="Back",state=DISABLED)label.grid(row=1,column=0,columnspan=3)button_back.grid(row=5,column=0)button_exit.grid(row=5,column=1)button_forward.grid(row=5,column=2)root=Tk()root.title("Image Viewer")root.geometry("700x700")# Change the png file name a/c to your imageimage_no_1=ImageTk.PhotoImage(Image.open("Sample.png"))image_no_2=ImageTk.PhotoImage(Image.open("Capture3.png"))image_no_3=ImageTk.PhotoImage(Image.open("Sample2.png"))image_no_4=ImageTk.PhotoImage(Image.open("Sample4.png"))List_images=[image_no_1,image_no_2,image_no_3,image_no_4]label=Label(image=image_no_1)label.grid(row=1,column=0,columnspan=3)button_back=Button(root,text="Back",command=back,state=DISABLED)button_exit=Button(root,text="Exit",command=root.quit)button_forward=Button(root,text="Forward",command=lambda:forward(1))button_back.grid(row=5,column=0)button_exit.grid(row=5,column=1)button_forward.grid(row=5,column=2)root.mainloop()

# importing the tkinter module and PIL# that is pillow modulefromtkinterimport*fromPILimportImageTk,Imagedefforward(img_no):globallabelglobalbutton_forwardglobalbutton_backglobalbutton_exitlabel.grid_forget()label=Label(image=List_images[img_no-1])label.grid(row=1,column=0,columnspan=3)button_forward=Button(root,text="forward",command=lambda:forward(img_no+1))ifimg_no==4:button_forward=Button(root,text="Forward",state=DISABLED)button_back=Button(root,text="Back",command=lambda:back(img_no-1))button_back.grid(row=5,column=0)button_exit.grid(row=5,column=1)button_forward.grid(row=5,column=2)defback(img_no):globallabelglobalbutton_forwardglobalbutton_backglobalbutton_exitlabel.grid_forget()label=Label(image=List_images[img_no-1])label.grid(row=1,column=0,columnspan=3)button_forward=Button(root,text="forward",command=lambda:forward(img_no+1))button_back=Button(root,text="Back",command=lambda:back(img_no-1))ifimg_no==1:button_back=Button(root,text="Back",state=DISABLED)label.grid(row=1,column=0,columnspan=3)button_back.grid(row=5,column=0)button_exit.grid(row=5,column=1)button_forward.grid(row=5,column=2)root=Tk()root.title("Image Viewer")root.geometry("700x700")image_no_1=ImageTk.PhotoImage(Image.open("Sample.png"))image_no_2=ImageTk.PhotoImage(Image.open("sample.png"))image_no_3=ImageTk.PhotoImage(Image.open("Sample.png"))image_no_4=ImageTk.PhotoImage(Image.open("sample.png"))List_images=[image_no_1,image_no_2,image_no_3,image_no_4]label=Label(image=image_no_1)label.grid(row=1,column=0,columnspan=3)button_back=Button(root,text="Back",command=back,state=DISABLED)button_exit=Button(root,text="Exit",command=root.quit)button_forward=Button(root,text="Forward",command=lambda:forward(1))button_back.grid(row=5,column=0)button_exit.grid(row=5,column=1)button_forward.grid(row=5,column=2)root.mainloop()