diff --git a/README.md b/README.md
index 1730966..1fcbf00 100644
--- a/README.md
+++ b/README.md
@@ -2,8 +2,8 @@
 
 ## Description
 `kls` is a cli tool based on `kubectl` for managing kubernetes cluster resources. 
-Inspired by `lf` and `ranger` file managers. 
-It is lightweight (~200 lines of code) and easy to customize. Supports mouse navigation as well as keyboard navigation.
+Inspired by `lf` and `ranger` file managers, written in python. 
+It is lightweight (~250 lines of code) and easy to customize. Supports mouse navigation as well as keyboard navigation.
 
 ## Key bindings
 For kubectl (You can customize these bindings or add extra bindings in `KEY_BINDINGS` variable of `kls` in a row #4):
diff --git a/kls b/kls
index 9580957..4c40558 100755
--- a/kls
+++ b/kls
@@ -159,6 +159,22 @@ def handle_mouse(mouse_info: tuple, menu: Menu):
             MENUS[2].visible_row_index = 0  # reset the selected row index of third menu before redrawing
 
 
+def handle_vertical_arrows(key, menu):
+    if key == "KEY_DOWN" and len(menu.visible_rows()) > 1:
+        if (menu.visible_row_index + 1) == ROWS_HEIGHT and len(menu.filtered_rows) > ROWS_HEIGHT:
+            menu.filtered_rows.forward(1)
+        else:
+            menu.visible_row_index = (menu.visible_row_index + 1) % len(menu.filtered_rows)  # index of the selected visible row
+    elif key == "KEY_UP" and len(menu.visible_rows()) > 1:
+        if menu.visible_row_index == 0 and len(menu.filtered_rows) > ROWS_HEIGHT:
+            menu.filtered_rows.backward(1)
+        else:
+            menu.visible_row_index = (menu.visible_row_index - 1) % len(menu.filtered_rows)  # index of the selected visible row
+    draw_rows(menu)  # this will change selected row in menu
+    if menu != MENUS[2]:
+        MENUS[2].visible_row_index = 0
+
+
 def catch_input(menu: Menu):
     while True:  # refresh third menu until key pressed
         try:
@@ -173,22 +189,8 @@ def catch_input(menu: Menu):
         draw_row(menu.win, menu.title, 1, 2, selected=False)  # remove selection from the current menu title
         draw_row(next_menu.win, next_menu.title, 1, 2, selected=True)  # and select the new menu title
         globals().update(SELECTED_MENU=next_menu)
-    elif key == "KEY_DOWN" and len(menu.visible_rows()) > 1:
-        if (menu.visible_row_index + 1) == ROWS_HEIGHT and len(menu.filtered_rows) > ROWS_HEIGHT:
-            menu.filtered_rows.forward(1)
-        else:
-            menu.visible_row_index = (menu.visible_row_index + 1) % len(menu.filtered_rows)  # index of the selected visible row
-        draw_rows(menu)  # this will change selected row in menu
-        if menu != MENUS[2]:
-            MENUS[2].visible_row_index = 0
-    elif key == "KEY_UP" and len(menu.visible_rows()) > 1:
-        if menu.visible_row_index == 0 and len(menu.filtered_rows) > ROWS_HEIGHT:
-            menu.filtered_rows.backward(1)
-        else:
-            menu.visible_row_index = (menu.visible_row_index - 1) % len(menu.filtered_rows)  # index of the selected visible row
-        draw_rows(menu)  # this will change selected row in menu
-        if menu != MENUS[2]:
-            MENUS[2].visible_row_index = 0
+    elif key in ["KEY_UP", "KEY_DOWN"] and len(menu.visible_rows()) > 1:
+        handle_vertical_arrows(key, menu)
     elif key == "KEY_MOUSE" and MOUSE_ENABLED:
         try:
             mouse_info = curses.getmouse()