Yuri Spiridonov

icon location Mannheim, Germany icon location Former mining engineer. Fullstack.

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Using get function of dictionary

I tried to submit new code with `.get()` function on LeetCode and faced a **Runtime Error** ``` AttributeError: 'NoneType' object has no attribute 'append' queue[depth+1] = queue.get(depth+1,[]).append(node.right) Line 23 in...