Adding pos tag clasification in flat tree

app.py

@@ -12,7 +12,10 @@ def markTk(tk):
     if tk.tag_ in noun_tags:
         return " (Plural)" 
     return ""
-
+    
+def postag(tk):
+    return f" ({tk.tag_})"
+    
 def genFlatDepthTree(expr):
     doc = nlp(expr)
     root = next(doc.sents).root
@@ -21,7 +24,7 @@ def genFlatDepthTree(expr):
     def tree(tk, last_node, depth):
         if tk.n_lefts + tk.n_rights > 0:
             for ch in tk.children:
-                tree(ch, Node(ch.text+" :"+str(depth+1)+markTk(ch), parent=last_node), depth+1)
+                tree(ch, Node(ch.text+" :"+str(depth+1)+markTk(ch)+postag(ch), parent=last_node), depth+1)
     
     tree(root, node, 0)
     flat_tree = ""