Hash Ruby

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  4. Delete if for a certain value
myHash = { 1 => "One", 2 => "Two", 3 => "Three", 4 => "Four", 5 => "Five" }
myHash.delete_if { |key, value| value == "Two" } # => {5=>"Five", 1=>"One", 3=>"Three", 4=>"Four"}