auto save

03.py

+import turtle
+turtle.pencolor("red")
+turtle.pensize(20)
+turtle.forward(200)
+turtle.right(135)
+turtle.pencolor("green")
+turtle.forward(280)
+turtle.pencolor("blue")
+turtle.left(135)
+turtle.forward(200)
+turtle.done()
\ No newline at end of file

04.py

+a=int(input("请输入正方形的边长："))
+b=a*a
+c=a*4
+print("正方形的面积是:",b,"正方形的周长是:",c)
\ No newline at end of file

05.py

+import turtle
+turtle.pencolor("pink")
+turtle.begin_fill()
+
+turtle.end_fill()