26-hash-filter.rb

# Given an array contains hashes, please filter and sort upon them

arr = [
  { "name" => "Peter", "age" => 30 },
  { "name" => "John", "age" => 15 },
  { "name" => "David", "age" => 45 },
  { "name" => "Steven", "age" => 22 },
  { "name" => "Vincent", "age" => 6 },
]

def find_adult(arr)
  # filter out non-adult data
  
  # sort data

  result
end

puts "List all adults in descending, #{result}"

# The result should be
#[
#  { "name" => "Steven", "age" => 22 },
#  { "name" => "Peter", "age" => 30 },
#  { "name" => "David", "age" => 45 }
#]