程序员三大美德之一：快速有效检索网页数据的“懒惰”程序员指南

{      quoteSummary : {          error : None,          result : [{              price : {                 averageDailyVolume10Day : {},                 averageDailyVolume3Month : {},                  circulatingSupply : {},                  currency :  USD ,                  currencySymbol :  $ ,                  exchange :  NMS ,                  exchangeDataDelayedBy :0,                  exchangeName : NasdaqGS ,                  fromCurrency : None,                  lastMarket : None,                  longName :  Facebook,Inc. ,                  marketCap : {                      fmt :  698.42B ,                      longFmt : 698,423,836,672.00 ,                      raw : 698423836672                 },                  marketState :  REGULAR ,                  maxAge : 1,                  openInterest : {},                  postMarketChange : {},                  postMarketPrice : {},                  preMarketChange : {                      fmt :  -0.90 ,                      raw : -0.899994                 },                  preMarketChangePercent :{                      fmt :  -0.37% ,                      raw : -0.00368096                 },                  preMarketPrice : {                      fmt :  243.60 ,                      raw : 243.6                 },                  preMarketSource : FREE_REALTIME ,                  preMarketTime :1594387780,                  priceHint : {                      fmt :  2 ,                      longFmt :  2 ,                      raw : 2                 },                  quoteSourceName : Nasdaq Real Time                    Price ,                  quoteType :  EQUITY ,                  regularMarketChange : {                      fmt :  0.30 ,                      raw : 0.30160522                 },                 regularMarketChangePercent : {                      fmt :  0.12% ,                      raw : 0.0012335592                 },                  regularMarketDayHigh : {                      fmt :  245.49 ,                      raw : 245.49                 },                  regularMarketDayLow : {                      fmt :  239.32 ,                      raw : 239.32                 },                  regularMarketOpen : {                      fmt :  243.68 ,                      raw : 243.685                 },                 regularMarketPreviousClose : {                      fmt :  244.50 ,                      raw : 244.5                 },                  regularMarketPrice : {                      fmt :  244.80 ,                      raw : 244.8016                 },                  regularMarketSource : FREE_REALTIME ,                  regularMarketTime :1594410026,                  regularMarketVolume : {                      fmt :  19.46M ,                      longFmt :  19,456,621.00 ,                      raw : 19456621                 },                  shortName :  Facebook,Inc. ,                  strikePrice : {},                  symbol :  FB ,                  toCurrency : None,                  underlyingSymbol : None,                  volume24Hr : {},                  volumeAllCurrencies : {}             }         }]     } }the current price: 241.63 

“懒惰”的解决方案2

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