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What does RLE stand for?
Run Length Encoding
Define RLE
This is a method of lossless compression in which repeated values are removed and replaced with one occurrence of the data followed by the number of times it should be repeated.
What would the string AAABBCDDD be represented as using RLE?
A3B2C1D3
What does RLE rely on?
It relies on consecutive pieces of data being the same.
Define dictionary encoding
When frequently occurring pieces of data are replaced with an index and compressed data is stored alongside a dictionary which matches the frequently occurring data to an index.
Note 
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