Web2 days ago · 1 I get TypeError: string indices must be integers when using the following code to return the values from a key in a dictionary: ids_batch = [x ['acn_num_ACN'] for x in meta_batch] ids_batch The dictionary ( meta_batch) is structured as: {'acn_num_ACN': ['1107876', '1784088', '1216003'], 'Time_Date': ['201308', '202412', '201411']} WebApr 11, 2024 · python读取yaml配置数据报错TypeError: string indices must be integers. 问题:刚开始学习python,遇到一个错误,读取 yaml 文件数据报错,并且yaml文件的字段名没有显示出高亮颜色。. 解决方法:我这边的问题是因为少了一个空格,冒号后面加一个空格就好 …
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10 Answers Sorted by: 264 The variable item is a string. An index looks like this: >>> mystring = 'helloworld' >>> print mystring [0] 'h' The above example uses the 0 index of the string to refer to the first character. Strings can't have string indices (like dictionaries can). So this won't work: See more We obviously passed two integers for the indices to the slice notation, right? So what is the problem here? This error can be very frustrating - especially … See more We need to replace the comma , with a colon : to separate the two integers correctly, not having them interpreted as a tuple: A clearer and more helpful error message could have … See more We implicitly passed a tuple of two integers to the slice notation when we called my_string[0,5]. 0,5 evaluates to the same tuple as … See more WebApr 28, 2024 · 3. string indices must be integers while parsing JSON using Python In this example, we will see that while we are parsing on JSON, string indices must be integers. … go to facebook please
Python 索引錯誤:list indices must be integers or slices, not dict
WebTo fix this, you should use an integer to index the list, like this: my_list = [ 1, 2, 3 ] print (my_list [ 0 ]) # This will print 1 Try it Yourself » Watch a video course Python - The Practical Guide If you want to access the elements of a list using a string key, you should use a dictionary instead of a list. WebJul 31, 2024 · String indices must be integers. This means that when you’re accessing an iterable object like a string, you must do it using a numerical value. If you are accessing … WebMar 14, 2024 · python提示slice indices must be integers or None or have an __index__ method. 这个错误的意思是,你在使用切片操作的时候,给定的索引不是整数或者 None , … child constipation treatment at home