# FAQ: Depth-First Search: Python - Getting Recursive

This community-built FAQ covers the “Getting Recursive” exercise from the lesson “Depth-First Search: Python”.

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Dear all,

Could you explain to me why the code below returns None and not the node we were looking for? If I delete the code marked as comments (i.e. the solution) it works, as I return within the “for loop” the node we were looking for. However, if I just write dfs(children, target) instead of the code marked as comments, it should also return the node we were looking for, shouldn’t it?

``````from TreeNode import TreeNode, sample_root_node, print_path, print_tree

print_tree(sample_root_node)

print(sample_root_node)

def dfs(root, target):
if root.value == target:
return root

for children in root.children:
dfs(children, target)
#node_found = dfs(children,target)
#if node_found is not None:
# return node_found

return None

print(dfs(sample_root_node, "G"))

``````