Given a non-empty string s and a dictionary wordDict containing a list of non-empty words, determine if word can be segmented into a space-separated sequence of one or more dictionary words. You may assume the dictionary does not contain duplicate words. For example, given word = "leetcode", dict = ["leet", "code"]. Return true because "leetcode" can be segmented as "leet code". word = abc word_dict = ["a","bc"] True False False False.

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Map

A map is defined as the name of a higher-order function in most of the programming languages that applies a given function to each element of a functor, such as a list, and returns a list of results in the same order. A map is also called the collection of values based on a key, i.e. a key and value pair. A map has its own set of keys. Duplicate keys are not permitted in the Map, although duplicate values are permitted. Because a Map cannot be navigated, it must be converted to a Set using the keySet() or entrySet() methods. For key-value association mapping, such as dictionaries, maps are ideal.