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.vscode/def.py

@@ -34,4 +34,4 @@ def tree(a):
         pen.backward(a)
         pen.backward(a)
         pen.down()
         pen.down()
 tree(60)
 tree(60)
-turtle.done()
+turtle.done()
\ No newline at end of file

my_tree.py

@@ -7,9 +7,20 @@ w = turtle.Screen()
 w.bgcolor('wheat')      # wheat小麦
 w.bgcolor('wheat')      # wheat小麦
 
 
 
 
-pen.left(60)
-pen.up()
-pen.backward(150)    # 后退
-pen.down()
+
+def tree(n):
+    if n>=50:
+        pen.fd(n)
+        pen.right(30)
+        tree(n-50)
+        pen.left(60)
+        tree(n-50)
+        pen.right(30)
+        pen.up()
+        pen.backward(n)
+        pen.down()
+
+
+
 
 
 turtle.done()
 turtle.done()