auto save

diy1.py

+"""
+使用turtle模块画图
+每次移动都增加画笔移动的长度，并旋转91°，重复执行300次，查看效果
+"""
+import turtle
+
+pen = turtle.Pen()
+screen=turtle.Screen()#背景
+screen.bgcolor("black")
+colors=["red","green","orange","white"]
+
+#distance=1
+for i in range(1,300):
+    pen.pensize(2)
+    pen.pencolor(colors[i%4])
+    pen.speed(1000)
+    pen.forward(i)
+    #distance+=1
+    pen.right(91)
+
+pen.hideturtle()
+turtle.done()
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diy2.py

+for i in range(1,10):
+    for j in range(1,i+1):
+        print(j,"x",j,"=",j*i,end="")
+    print()
+    
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