Python 如何将单词与列表中的元素分开？

我的列表如下所示：

['https://www.enbridge.com/Projects-and-Infrastructure/For-Shippers/Tariffs/Enbridge-Bakken-Pipeline-Company-Inc-Bakken-Canada-tariffs.aspx/~/media/Enb/Documents/tarties/2021/BAK CAN CER 37.pdf'，'https://www.enbridge.com/Projects-and-Infrastructure/For-Shippers/Tariffs/Enbridge-Bakken-Pipeline-Company-Inc-Bakken-Canada-tariffs.aspx/~/media/Enb/Do文件/关税/2020/BAK CAN CER 34.pdf“https://www.enbridge.com/Projects-and-Infrastructure/For-Shippers/Tariffs/Enbridge-Bakken-Pipeline-Company-Inc-Bakken-Canada-tariffs.aspx/~/media/Enb/Documents/tarties/2021/BAK CAN CER 38 FERC 3120 BAK US.pdf']

我想从每个元素的末尾提取每个CER，并创建一个字典，其中CER作为键，整个元素作为相应的输出

例如，字典如下所示：

关税={'cer37'：'https://www.enbridge.com/Projects-and-Infrastructure/For-Shippers/Tariffs/Enbridge-Bakken-Pipeline-Company-Inc-Bakken-Canada-tariffs.aspx/~/media/Enb/Documents/tarties/2021/BAK CAN CER 37.pdf'等}

因此，如果我查找关税名称，它将向我输出正确的PDF。

lst=[
 tariff_dict = {value[value.find(" CER ")+1:(value.find(" CER ")+7)]: value for value in my_list}

'https://www.enbridge.com/Projects-and-Infrastructure/For-Shippers/Tariffs/Enbridge-Bakken-Pipeline-Company-Inc-Bakken-Canada-tariffs.aspx/~/media/Enb/Documents/tarties/2021/BAK CAN CER 37.pdf'，
'https://www.enbridge.com/Projects-and-Infrastructure/For-Shippers/Tariffs/Enbridge-Bakken-Pipeline-Company-Inc-Bakken-Canada-tariffs.aspx/~/media/Enb/Documents/tarties/2020/BAK CAN CER 34.pdf'，
'https://www.enbridge.com/Projects-and-Infrastructure/For-Shippers/Tariffs/Enbridge-Bakken-Pipeline-Company-Inc-Bakken-Canada-tariffs.aspx/~/media/Enb/Documents/tarties/2021/BAK CAN CER 38 FERC 3120 BAK US.pdf'
]
字典={}
对于lst中的项目：
拆分=项目。拆分（“”）
索引=已拆分。索引（'CER'）
key=f'{splitted[index]}{splitted[index+1]。替换（“.pdf”，”）}
字典[键]=项
印刷（字典）

返回

{
    'CER 37': 'https://www.enbridge.com/Projects-and-Infrastructure/For-Shippers/Tariffs/Enbridge-Bakken-Pipeline-Company-Inc-Bakken-Canada-tariffs.aspx/~/media/Enb/Documents/Tariffs/2021/BAK CAN CER 37.pdf',
    'CER 34': 'https://www.enbridge.com/Projects-and-Infrastructure/For-Shippers/Tariffs/Enbridge-Bakken-Pipeline-Company-Inc-Bakken-Canada-tariffs.aspx/~/media/Enb/Documents/Tariffs/2020/BAK CAN CER 34.pdf',
    'CER 38': 'https://www.enbridge.com/Projects-and-Infrastructure/For-Shippers/Tariffs/Enbridge-Bakken-Pipeline-Company-Inc-Bakken-Canada-tariffs.aspx/~/media/Enb/Documents/Tariffs/2021/BAK CAN CER 38 FERC 3120 BAK US.pdf'
}

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