pre function save

board.py

@@ -0,0 +1,22 @@
+import pygame as pg    
+
+def render_board():
+    posX, posY = 0, 0   #recatangle position x, recatangle position y
+    s1 = True           #wether or not the first square of the row should be black or white
+
+    #render frame
+    screen.fill("black")
+
+    #chess game
+    while posY < size:
+        posX = 0
+        if not s1:
+            posX = posX + size / 8
+        while posX <= size:
+            pg.draw.rect(screen, color, (posX, posY, sizeW, sizeH))
+            posX = posX + size / 4
+        posY = posY + size / 8
+        s1 = not s1
+
+def test_def():
+    print("This is a test")

main.py

@@ -1,4 +1,5 @@
 import pygame as pg
+from board import render_board
 
 #chess pieces
 p1 = "pawn"
@@ -47,8 +48,6 @@ while running:      #open window
         posY = posY + size / 8
         s1 = not s1
 
-    
-
 
     #flip display to put game on screen
     pg.display.flip()