ruby 用于教学目的的哈希数组示例。 #codenow

Posted 2021-05-16

[{:us_state=>"Alabama", :state_capital=>"Montgomery", :population=>"4822023"},
 {:us_state=>"Alaska", :state_capital=>"Juneau", :population=>"731449"},
 {:us_state=>"Arizona", :state_capital=>"Phoenix", :population=>"6553255"},
 {:us_state=>"Arkansas",
  :state_capital=>"Little Rock",
  :population=>"2949131"},
 {:us_state=>"California",
  :state_capital=>"Sacramento",
  :population=>"38041430"},
 {:us_state=>"Colorado", :state_capital=>"Denver", :population=>"5187582"},
 {:us_state=>"Connecticut",
  :state_capital=>"Hartford",
  :population=>"3590347"},
 {:us_state=>"Delaware", :state_capital=>"Dover", :population=>"917092"},
 {:us_state=>"Florida",
  :state_capital=>"Tallahassee",
  :population=>"19317568"},
 {:us_state=>"Georgia", :state_capital=>"Atlanta", :population=>"9919945"},
 {:us_state=>"Hawaii", :state_capital=>"Honolulu", :population=>"1392313"},
 {:us_state=>"Idaho", :state_capital=>"Boise", :population=>"1595728"},
 {:us_state=>"Illinois",
  :state_capital=>"Springfield",
  :population=>"12875255"},
 {:us_state=>"Indiana",
  :state_capital=>"Indianapolis",
  :population=>"6537334"},
 {:us_state=>"Iowa", :state_capital=>"Des Moines", :population=>"3074186"},
 {:us_state=>"Kansas", :state_capital=>"Topeka", :population=>"2885905"},
 {:us_state=>"Kentucky", :state_capital=>"Frankfort", :population=>"4380415"},
 {:us_state=>"Louisiana",
  :state_capital=>"Baton Rouge",
  :population=>"4601893"},
 {:us_state=>"Maine", :state_capital=>"Augusta", :population=>"1329192"},
 {:us_state=>"Maryland", :state_capital=>"Annapolis", :population=>"5884563"},
 {:us_state=>"Massachusetts",
  :state_capital=>"Boston",
  :population=>"6646144"},
 {:us_state=>"Michigan", :state_capital=>"Lansing", :population=>"9883360"},
 {:us_state=>"Minnesota", :state_capital=>"St. Paul", :population=>"5379139"},
 {:us_state=>"Mississippi", :state_capital=>"Jackson", :population=>"2984926"},
 {:us_state=>"Missouri",
  :state_capital=>"Jefferson City",
  :population=>"6021988"},
 {:us_state=>"Montana", :state_capital=>"Helena", :population=>"1005141"},
 {:us_state=>"Nebraska", :state_capital=>"Lincoln", :population=>"1855525"},
 {:us_state=>"Nevada", :state_capital=>"Carson City", :population=>"2758931"},
 {:us_state=>"New Hampshire",
  :state_capital=>"Concord",
  :population=>"1320718"},
 {:us_state=>"New Jersey", :state_capital=>"Trenton", :population=>"8864590"},
 {:us_state=>"New Mexico", :state_capital=>"Santa Fe", :population=>"2085538"},
 {:us_state=>"New York", :state_capital=>"Albany", :population=>"19570261"},
 {:us_state=>"North Carolina",
  :state_capital=>"Raleigh",
  :population=>"9752073"},
 {:us_state=>"North Dakota",
  :state_capital=>"Bismarck",
  :population=>"699628"},
 {:us_state=>"Ohio", :state_capital=>"Columbus", :population=>"11544225"},
 {:us_state=>"Oklahoma",
  :state_capital=>"Oklahoma City",
  :population=>"3814820"},
 {:us_state=>"Oregon", :state_capital=>"Salem", :population=>"3899353"},
 {:us_state=>"Pennsylvania",
  :state_capital=>"Harrisburg",
  :population=>"12763536"},
 {:us_state=>"Rhode Island",
  :state_capital=>"Providence",
  :population=>"1050292"},
 {:us_state=>"South Carolina",
  :state_capital=>"Columbia",
  :population=>"4723723"},
 {:us_state=>"South Dakota", :state_capital=>"Pierre", :population=>"833354"},
 {:us_state=>"Tennessee", :state_capital=>"Nashville", :population=>"6456243"},
 {:us_state=>"Texas", :state_capital=>"Austin", :population=>"26059203"},
 {:us_state=>"Utah", :state_capital=>"Salt Lake City", :population=>"2855287"},
 {:us_state=>"Vermont", :state_capital=>"Montpelier", :population=>"626011"},
 {:us_state=>"Virginia", :state_capital=>"Richmond", :population=>"8185867"},
 {:us_state=>"Washington", :state_capital=>"Olympia", :population=>"6897012"},
 {:us_state=>"West Virginia",
  :state_capital=>"Charleston",
  :population=>"1855413"},
 {:us_state=>"Wisconsin", :state_capital=>"Madison", :population=>"5726398"},
 {:us_state=>"Wyoming", :state_capital=>"Cheyenne", :population=>"576412"}]