Find mismatch value between 2 hash

ruby_hash_value_mismatch.rb

def find_mismatch_value_between_hash(a, b)
  pivot_hash = a
  another_hash = b
  
  result_hash = {}
  
  pivot_hash.keys.each do |k|
    pivot_value = pivot_hash[k]
    another_value = another_hash[k]
    
    if another_value != pivot_value
      result_hash[k] = { original: pivot_value, comparator: another_value }
    end
  end
  
  result_hash
end