auto save

hiahiahia.py

+import turtle
+pen=turtle.Pen()
+for i in range(99999):
+    pen.forward(i)
+    pen.right(89.5)
+turtle.down
\ No newline at end of file

my_tree.py

+import turtle
+
+pen = turtle.Turtle()
+pen.color('sienna')
+# 画布大小
+w = turtle.Screen()
+w.bgcolor('wheat')      # wheat小麦
+
+# 移动到起点
+pen.left(90)
+pen.up()
+pen.backward(150)    # 后退
+pen.down()
+def tree(n):
+    if n>=20:
+        pen.forward(n)
+        pen.right(30)
+        tree(n-20)
+        pen.left(60)
+        tree(n-20)
+        pen.right(30)
+        pen.penup()
+        pen.backward(n)
+        pen.pendown()
+tree(125)
+turtle.done()