states = {
  OR: 'Oregon',
  FL: 'Florida',
  CA: 'California',
  NY: 'New York',
  MI: 'Michigan'
}

states[:VI] = "virginia"
states[:TX] = "Texas"


@taxes = {
  OR: 5,
  FL: 6,
  CA: 7,
  NY: 7,
  MI: 6,
  VI: 6.5,
  TX: 6.7
}




# add_states("VI", "virginia")

@cities = {
  OR: ["Portland","Vancouver", "Salem"],
  FL: ["Miami", "Orlando", "Tampa"],
  CA: ["LA", "San Francisco", "San Diego"],
  NY: ["Buffalo", "New York", "Geneva"],
  MI: ["Detroit", "Grand Rapids", "Lansing"],
  VI: ["Richmond", "Norfolk", "Roanoke"],
  TX: ["Houston", "Austin", "Dallas"]
  }

def describe_state(state_code)
 puts "The cities in #{state_code} are #{@pc[state_code].join(", ")}" if @cities.has_key?(state_code)

      @pc.each do | province_codes, cities |
        if province_codes.to_s.match(state_code.to_s)
          puts "The cities in #{state_code} are #{cities}"
        end
      end
end

def calculate_tax(state, tax)

num = tax * @taxes[state] if @taxes.key?(state)
puts sprintf("%.2f", num)

end


def find_state_for_city(city)
  city = city.capitalize
    @cities.each do |state, cities|
      if cities.include?(city)
      return state
      end
    end
    puts "no match"
end

describe_state(:CA)


calculate_tax(:CA, 5)
calculate_tax(:NY, 12)

puts find_state_for_city(:NY)
puts find_state_for_city("Tampa")
puts find_state_for_city("portland")




ca =  describe_state(:CA)
tx =  describe_state(:TX)
p [tx, ca]



# takes 2 variables
# use State to match Key in hash
# when find the key, use the key to mulitple with Tax
#   return product. rounded