From f81be9963f25e7682d4e963c538deb3bfd9fe288 Mon Sep 17 00:00:00 2001
From: Arthur Maia <maiaarthur744@gmail.com>
Date: Mon, 29 Dec 2025 15:48:20 -0300
Subject: [PATCH] test done

---
 nodes/manager.py | 35 ++++++++++++++++++++++++++++++++---
 nodes/node.py    | 18 +++++++++++++++---
 2 files changed, 47 insertions(+), 6 deletions(-)

diff --git a/nodes/manager.py b/nodes/manager.py
index b3c1178..f2c52b3 100644
--- a/nodes/manager.py
+++ b/nodes/manager.py
@@ -1,5 +1,34 @@
-# Create here the NodeManager Class
-
+from nodes.node import Node
+from typing import List
 
 class NodeManager:
-    pass
+    nodes: List[Node]
+
+    def __init__(self, nodes: List[Node]):
+        if not isinstance(nodes, list):
+            raise ValueError("nodes must be a List of Nodes")
+        
+        self.nodes = nodes.copy()
+    
+    def __len__(self):
+        return len(self.nodes)
+    
+    def __getitem__(self, index):
+        return self.nodes[index]
+
+    def remove(self, node: Node):
+        if node not in self.nodes:
+            raise ValueError("Node is not in the list of nodes")
+        
+        self.nodes.remove(node)
+    
+    def remove_cascade(self, node: Node):
+        if node not in self.nodes:
+            raise ValueError("Node is not in the list of nodes")
+        
+        children = [n for n in self.nodes if n.parent == node.id]
+        
+        for child in children:
+            self.remove_cascade(child) 
+
+        self.nodes.remove(node)
\ No newline at end of file
diff --git a/nodes/node.py b/nodes/node.py
index 644ab4e..6dc9b53 100644
--- a/nodes/node.py
+++ b/nodes/node.py
@@ -1,5 +1,17 @@
-# Create here the Node Class
+class Node:
+    id: int
+    parent: int
 
+    def __init__(self, id: int, parent: int):
+        if not isinstance(id, int) or not isinstance(parent, int):
+            raise ValueError("ID and Parent must be integers")
+        if parent > id:
+            raise ValueError("Parent must not be greater than ID")
+        if parent == id:
+            raise ValueError("Parent and ID must not be equal")
+        
+        self.id = id
+        self.parent = parent
 
-class Node:
-    pass
+    def __repr__(self):
+        return f"Node({self.id}, {self.parent})"