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diy1.py

 # 利用write()帮助悟空给诺依回信吧~
 import turtle
+#导入画布
+#设置画布颜色
 pen=turtle.Pen()
+#抬笔
+#设置画笔位置（100，-100）
 pen.write("你好\n",font=("Times",30,"normal"))
 pen.hideturtle()
 #画爱心
 pen1=turtle.Pen()
 pen1.pencolor("red")
 pen1.pensize(5)
+#添加变量赋值25
 pen1.left(45)
 pen1.forward(100)
 pen1.circle(50,180)