unit6 pro2 solved

Author: yyl

unit6/pro2.py

@@ -0,0 +1,7 @@
+from opus7.tree import Tree
+
+class treeCount(Tree):
+  def getCount(self):
+    if self.isEmpty:
+      return 0
+    return sum([self.getSubtree(i).count for i in xrange(self.degree)])