save project

jw.py

+import turtle
+import random
+
+def ate(n):
+    if n>=0:
+        pen.forward(n)
+        pen.right(30)
+        ate(n-10)
+        pen.left(60)
+        ate(n-10)
+        pen.right(30)
+        pen.up()
+        pen.backward(n)    # 后退
+        pen.down()
+pen = turtle.Turtle()
+pen.color("sienna")
+w = turtle.Screen()
+w.bgcolor("wheat")
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+pen.left(90)
+pen.up()
+pen.backward(150)    # 后退
+pen.down()
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+ate(60)
+turtle.done()
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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()
+pen.forward(100) pen.right(30)
+pen.forward(50)
+pen.up()
+pen.backward(50)
+pen.down()
+pen.left(60)
+pen.forward(50)
+
+turtle.done()
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