auto save

diy.py

-import turtle
-turtle.speed(100)
-color=['red','blue','grey','green']
-turtle.bgcolor("black")
-for i in range(300):
-    turtle.pencolor(color[i%4])
-    turtle.forward(i)
-    turtle.right(91)
-turtle.done()
+import pygame
+pygame.init()
+width=400
+height=300
+windowSize=[width,height]
+screen=pygame.display.set_mode(windowSize)
+colour=pygame.color.Color('#646400')
+row=0
+done=False
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+while not done:
+    increment=255/100
+    while row<=height:
+        pygame.draw.rect(screen,colour,(0,row,width,row+increment))
+        pygame.display.flip()
+        if colour[2]+increment<255:
+            colour[2]+=increment
+        row+=increment
+    for event in pygame.event.get():
+        if event.type==pygame.QUIT:
+            done=True
+pygame.quit()
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