instructors = [{name: 'tim', hometown: 'camden, ar', mood: 'excited'}, {name: 'meryl', hometown: 'new orleans, la'}, {name: 'lindsey', hometwon: 'michigan'}]

def get_names(people)
  # DON'T USE EACH
  # map or collect
  # just return the names
end

def get_people_from_a_place(people, place)
  # DON'T USE EACH
  # select
  # return a list of people from place
end

def get_person_by_name(people, name)
  # DON'T USE EACH
  # find or detect
  # return the first person hash by name
end

def get_tally_of_moods(people)
  # DON'T USE EACH
  # return a hash whose keys are the moods and whose values are the number of times that mood appears
end