From 56fe935ed5752b132e949fa70fc5237b405584b8 Mon Sep 17 00:00:00 2001
From: Aananditaa <122295513+Tech-neophyte@users.noreply.github.com>
Date: Tue, 23 Jan 2024 18:20:45 +0530
Subject: [PATCH 1/2] day22-q2 solution added in python, java

---
 .../Tech-neophyte--pj.md                      | 38 +++++++++++++++++++
 1 file changed, 38 insertions(+)
 create mode 100644 Day 22/Day 22 q2 Sum of Left Leaves/Tech-neophyte--pj.md

diff --git a/Day 22/Day 22 q2 Sum of Left Leaves/Tech-neophyte--pj.md b/Day 22/Day 22 q2 Sum of Left Leaves/Tech-neophyte--pj.md
new file mode 100644
index 00000000..404cc98b
--- /dev/null
+++ b/Day 22/Day 22 q2 Sum of Left Leaves/Tech-neophyte--pj.md	
@@ -0,0 +1,38 @@
+## Python code: Iterative DFS using Stack
+```
+class Solution(object):
+    def sumOfLeftLeaves(self, root):
+        """
+        :type root: TreeNode
+        :rtype: int
+        """
+        if not root:
+            return 0
+        stack = [root]
+        res = 0
+        while stack:
+            u = stack.pop()
+            if u.left:
+                stack.append(u.left)
+                if not u.left.left and not u.left.right:
+                    res += u.left.val
+            if u.right:
+                stack.append(u.right)
+        return res
+```
+## Java code:
+```
+class Solution {
+    public int sumOfLeftLeaves(TreeNode root) {
+        if (root == null) {
+            return 0;
+        }
+
+        int sum = 0;
+        if (root.left != null && root.left.left == null && root.left.right == null) {
+            sum += root.left.val;
+        }
+        return sumOfLeftLeaves(root.left) + sumOfLeftLeaves(root.right) + sum;
+    }
+}
+```

From 6e9eefe25c012e14098b423993ded1e6c2463b92 Mon Sep 17 00:00:00 2001
From: Aananditaa <122295513+Tech-neophyte@users.noreply.github.com>
Date: Wed, 24 Jan 2024 11:42:49 +0530
Subject: [PATCH 2/2] moved file to Day-22/q2: Sum of Left Leaves

---
 .../q2: Sum of Left Leaves}/Tech-neophyte--pj.md                  | 0
 1 file changed, 0 insertions(+), 0 deletions(-)
 rename {Day 22/Day 22 q2 Sum of Left Leaves => Day-22/q2: Sum of Left Leaves}/Tech-neophyte--pj.md (100%)

diff --git a/Day 22/Day 22 q2 Sum of Left Leaves/Tech-neophyte--pj.md b/Day-22/q2: Sum of Left Leaves/Tech-neophyte--pj.md
similarity index 100%
rename from Day 22/Day 22 q2 Sum of Left Leaves/Tech-neophyte--pj.md
rename to Day-22/q2: Sum of Left Leaves/Tech-neophyte--pj.md