pub fn new() -> Self {
        Self {
            trie: Default::default()
        }
    }
/** Initialize your data structure here. */
Initialize your data structure here.
Initialize your data structure here .
pub fn new() -> Self {
        Self {
            trie: Default::default()
        }
    }
pub fn new ( ) -> Self { Self { trie : Default :: default ( ) } }
Initialize your data structure here.
Initialize your data structure here .