diff --git a/lab/tree_builder.py b/lab/tree_builder.py
index e7baecf..c211206 100644
--- a/lab/tree_builder.py
+++ b/lab/tree_builder.py
@@ -1,5 +1,8 @@
+
 from anytree import Node
 from anytree.exporter import DotExporter
+from anytree.search import find_by_attr
+from anytree import RenderTree
 
 class TreeNode(Node):
 
@@ -15,19 +18,47 @@ class TreeBuilder(object):
     def __init__(self, root):
         # root will be type TreeNode
         self.root = root
+        self.all = []
         self.size = 0
 
     # Function to push to tree 
     def push(self, node):
-        # TODO
-        pass
+        def insert(current_node, node):
+            if node.value < current_node.val:
+                if current_node.left != None:  # Left child
+                    insert(current_node.left, node)
+                else:
+                    current_node.left = node
+                    self.size += 1
+            elif node.value > current_node.val:
+                if current_node.right != None:  # Right child
+                    insert(current_node.right, node)
+                else:
+                    current_node.right = node
+                    self.size += 1
+            else:
+                # Value already exists in the tree, do nothing
+                pass
+
+        insert(self.root, node)
+        self.all.append(node.name)
 
     # Function to remove node from tree 
     def pop(self, name):
-        # TODO
-        pass
+        def delete(nodeDel):
+            node = find_by_attr(self.root, name)
+            node.parent = None
+            return
+
+        # Find the node to delete
+        nodeDel = name in self.all
+        if nodeDel:
+            delete(name)
 
     # Function to export tree as png(Use DotExporter)
     def export(self, file="tree"):
-        # TODO 
-        pass
\ No newline at end of file
+        file_path = f"{file}.png"
+        DotExporter(self.root).to_picture(file_path)
+        print(f"Tree exported to {file_path}")
+
+    
\ No newline at end of file