auto save

class.py

+import turtle
+pen=turtle.Pen()
+screen=turtle.Screen()
+screen.bgcolor("black")
+colors=["red","blue","orange","green"]
+pen.speed(0)
+for i in range(1,300):
+    pen.pencolor(colors[i%4])
+    pen.forward(i)
+    pen.right(91)
+pen.hideturtle()
+turtle.done()
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class1.py

+sum=0 
+for i in range(1,101):
+    sum=sum+i
+print(sum)
+sm=0
+for i in range(0,101,2):
+    sm=sm+i
+print(sm)
+snm=0
+for i in range(1,100,2):
+    snm=snm+i
+print(snm)
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