save project

a .py

@@ -20,16 +20,16 @@
 #  20n  62.8
 #  21n  65.94
 #  22n  69.08
-#  23n  
-#  24n  
-#  25n  
-#  26n  
-#  27n  
-#  28n  
-#  29n  
-#  30n  
-#  31n  
-#  32n  
+#  23n  72.22
+#  24n  75.36
+#  25n  78.5
+#  26n  81.64
+#  27n  84.78
+#  28n  87.92
+#  29n  91.06
+#  30n  94.2
+#  31n  97.34
+#  32n  100.47
 #  33n  
 #  34n  
 #  35n  

my_tree.py

@@ -11,7 +11,7 @@ pen.left(90)
 pen.up()
 pen.backward(150)    # 后退
 pen.down()
-def tree():
+def tree(n):
     if n >= 50:
         pen.forward(n)
         pen.right(30)
@@ -19,9 +19,11 @@ def tree():
         pen.up()
         pen.backward(n/2)
         pen.down()
-        pen.left(30)
+        pen.left(60)
         pen.forward(n/2)
-        pen.up
+        pen.up()
+        pen.right(30)
         pen.backward(n)
         pen.down()
+tree(100)
 turtle.done()