Reverse / invert a dictionary mapping

Here's an example of how you can reverse or invert a dictionary mapping in Python:

Reverse / invert a dictionary mapping in Python

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In this example, original_dict is the dictionary that you want to invert. The map() function is used to apply the reversed() function to each item in the dictionary, which returns a tuple of the form (value, key). This tuple is then passed to the dict() constructor to create the inverted dictionary.