Find the first N words with the highest frequency in an array of strings. The result needs to be sorted by frequency.
For example:
An array of String:
Inputs:
{“computer”, “for”, “a”, “portal”, “to”, “learn”, “can”, “be”, “computer”, “science”, “zoom”, “yup”, “fire”, “in”, “be”, “data”,”computer”}
and the first 2 words with the highest frequency.
Outputs: {computer, be}
where computer has a frequency of 3 and be has a frequency of 2
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