Add new methods to the GameRepository class that we created in this chapter. Make sure you create a new method to solve each algorithm and that you use a functional programming approach:
- Retrieve all the games whose average score is lower than a maximum average score received as an argument.
- Generate a string with the first letter of each game name followed by the highest score value. Use a hyphen as a separator for each game name and highest score value pair. That last value pair shouldn't include a hyphen after it.
- Calculate the minimum
playedCountvalue. - Calculate the maximum
playedCountvalue.
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