Write a method called flipMap() that takes in a map from string keys to string values, and returns a "reverse" or "inverse" version of the same map contents, mapping values from the first map to keys from the first map. For example, if the map provided has key "hello" mapped to value "world", then the map returned by your method should contain key "world" mapping to value "hello". You can modify the provided map, or create a new map.

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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.