save project

diy2.py

-for i in range(1,10):# 使用变量i和j，代替乘法算式里面的元素，打印出单个乘法算式
-    for j in range(1,i+1):
-        print(j,"*",i,"=",(j*i),end="  ")
-    print()
+import turtle
+colors=["red","blue","yellow","green"]
+pen=turtle.Pen()
+for i in range(1,3000):
\ No newline at end of file
+    pen.forward(i)
+    pen.pencolor(colors[i%4])
+    pen.right(91)
+pen.hideturtle()
+turtle.done()
\ No newline at end of file