store_performance.rb

def performance
  stores = {1 => 0, 2 => 0, 3 => 0, 4 => 0, 5 => 0}
  
  stores.keys.each do |store_number|
    print "Please enter the amount for store #{store_number}: "
    stores[store_number] = (gets.chomp.to_i / 100).floor
  end
  
  puts "Sales Bar Chart"
  
  stores.each do |store_number, amount|
    puts "Store #{store_number}: #{'*' * amount}"
  end
end