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()
+screen.bgcolor("black")
+colors=["red","orange","yellow","green"]
+for i in range(1,300):
+    pen.pencolor(colors[i%4])
+    pen.forward(i)
+    pen.right(91)
+turtle.hideturtle()
+turtle.done()
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htrbvr.py

+j = 5
+i = 7
+print(j, '*', i, '=',(j * i))
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