Question

我有一些凌亂的湯，我一直試圖解析，我無法弄清楚我會怎麼做。在頁面上有一堆<div>標籤，我可以成功遍歷它們以找到我想要的div。

這個div有一個自定義的屬性叫"data-series"，它的值似乎是一些包含列表的字典列表。數據系列屬性的值如下所示：

<div data-series= 
'[{"label":"Series 1","data":[[0,0.01214697],[1,0.01139803],[2,0.0101848]],"color":"#27a9e3"}, 
{"label":"series 2","data":[[0,0.00745604375],[1,0.00885196875],[2,0.009824050833]],"color":"#ffb848"}]'.... 

然後繼續處理其他一些自定義屬性。我正在尋找這個嵌套混亂中的數字

我想最終打印出的值是0.01139803。在列表中，它在第一個字典中找到，並且是"data"鍵的值。但"data"鍵的值本身就是一個列表，並且是第二個嵌套元素的第二個元素（[1][1]）

如何使用美麗的湯將此數字拉出？

Answer 1

data-series的字符串是「JSON」（JavaScript Object Notation）數據。您可以使用json.loads()處理此的字符串爲Python數據結構，然後操縱的結果，就像任何list和dict：

>>> import json 
>>> s = '[{"label":"Series 1","data":[[0,0.01214697],[1,0.01139803],[2,0.0101848]],"color":"#27a9e3"},{"label":"series 2","data":[[0,0.00745604375],[1,0.00885196875],[2,0.009824050833]],"color":"#ffb848"}]' 
>>> d = json.loads(s) 
>>> d[0]['data'][1][1] 
0.01139803