Sum of Left Leaves

[soniadessai]

Write code in the preferred language and attach output with it.

Given the root of a binary tree, return the sum of all left leaves.

A leaf is a node with no children. A left leaf is a leaf that is the left child of another node.

Example 1:

Input: root = [3,9,20,null,null,15,7]
Output: 24
Explanation: There are two left leaves in the binary tree, with values 9 and 15 respectively.

Example 2:

Input: root = [1]
Output: 0

[deepak74620]

Hey @Sonia312 please assign this to me.

[K-Saniya]

Hello @Gdsc-Cummins !! I am Saniya from Cummins college in 2nd year computer department . I am interested in working on this issue. please assign it to me .thanks!

[srushtikage]

Hello
Please assign this issue to me I want to work on it.
Srushti Kage
UCE2022531
Cummins College of Engineering for Women
Second Year