from
tkinter
import
*
from
PIL
import
ImageTk, Image
def
forward(img_no):
global
label
global
button_forward
global
button_back
global
button_exit
label.grid_forget()
label
=
Label(image
=
List_images[img_no
-
1
])
label.grid(row
=
1
, column
=
0
, columnspan
=
3
)
button_for
=
Button(root, text
=
"forward"
,
command
=
lambda
: forward(img_no
+
1
))
if
img_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_for.grid(row
=
5
, column
=
2
)
def
back(img_no):
global
label
global
button_forward
global
button_back
global
button_exit
label.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
))
print
(img_no)
if
img_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_for.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()