auto save

diy2.py

-i = 1   # 行
-j = 1 # 列
-for i in range(1,10):
-    for j in range(1,i+1):
-        print(i,"x",j,"=",(i*j),end="   ")
-    print()
\ No newline at end of file
+import turtle
+c=["red","orange","yellow","green"]
+pen=turtle.Pen()
+for i in range(300):
+    pen.pencolor(c[i%4
+    ])
+    pen.forward(i)
+    pen.right(61)
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