list indices must be integers or slices, not str python3

In the above example, we have declared a list with the name “list1” and an index variable to access the value of list with the name ‘index’ and given value “1” as a string, not an integer. TypeError: list indices must be integers or slices, not str 错误代码部分如下： 错误提示的意思是： 列表list的索引必须是 整数 或者 切片 ，而不能是 字符串类型 。 在我写的代码中，利用for in循环将card_info中数据进行遍历，并将每一次取出的结果放于info中。 Active 2 months ago. List problem "TypeError: must be str, not int" RedSkeleton007 Wafer-Thin Wafer. Beitrag Di Nov 06, 2018 10:39. But if this variable does not have an integer value and instead has a string value, you will face an error called “TypeError: list indices must be integers or slices, not str”. We cannot specify a tuple value to access an item from a list. As you can we that position must be a single integer or range of integers. When the index/ position is an integer but their declaration is wrong. You might declare a variable that has the index value of a list element. 7,183 16 16 gold badges 45 45 silver badges 77 77 bronze badges. The “TypeError: list indices must be integers, not tuple” error is most common in a list of lists that is missing a comma separator between each value in the list. TypeError: list indices must be integers or slices, not str | Django | React | Postman January 11, 2021 django , postman , python When using POST on postman it comes back with TypeError: list indices must be integers or slices, not str. You're indexing into a list using a string instead of an integer. list python-3.x indices equivalent. The way to avoid encountering this error is to always assign an integer value to the variable. Although floating-points are still numbers, they are treated differently to integers. Add a comment | 2 Answers Active Oldest Votes. This is the list on which the iterator runs on and you tried changing it during the iteration. In the above example, we are accessing the list element with the index. You cannot access items from a list using a floating-point number. Here is the output for the above sample code. We can only access the list element directly with its position. In the above example, we are accessing the value of list “list1” with variable “string1” which is a string variable. This is a classic mistake. TypeError: list indices must be integers or slices, not float: hissonrr: 3: 814: Apr-19-2020, 12:02 AM Last Post: hissonrr : How do I convert this string back to a list of integers? A common scenario where this error is raised is when you iterate over a list … I'm trying to print the elements of a list of strings to test Python's sorting methods, but it's complaining about data types: #!/usr/bin/env python3 #ListSorting.py def stringListSort(): upperAndLowerSort = … TypeError: string indices must be integers, not str. Thank you for signup. Follow edited May 19 '16 at 17:03. wogsland . Let’s see a quick demo. Threads: 36. Fix is 2e1174aea2f52717570ef7522ac5483fe06363bd of that module This position is defined by an index. comment. The error “typeerror: list indices must be integers or slices, not str” is raised when you try to access a list using string values instead of an integer. TypeError: list indices must be integers or slices, not str When I fix it by adding the line: feed_dict = feed_dict[0] (because it's a list of length 1 of dictionaries) It crashes with this error: TypeError: list indices must be integers or slices, not str ps: Single test is right, but it's wrong when use Mutli-Test , I guess this bug that is due to update before 5 hours Copy link Quote reply 14. I looked at this website and I saw I should use this way, but when I do it, I get TypeError: list indicies must be integers or slices, not str. Otherwise, you can directly access an element using the indices. import json with open ( "example.json" ) as file : db = json . read JSON file error: " list indices must be integers or slices, not str" So, here is my code to read a JSON file. The above code will through the below output. To solve this problem, make sure that you access a list using an index number. Have a look at the code: Inverse document frequency is the … Subscribe to our mailing list and get interesting stuff and updates to your email inbox. Hi Guys, I am new to python. If you are using a variable for specifying the index of a list element, make sure it has an integer value. Index numbers increment by one for each value on a list. If you want to do that, make line_list a dictionary, and then store the location of Parliament there. Ich bekomme in einem … asked May 19 '16 at 16:58. This is because tuples do not correspond to any index value in a list. Below is the output for the correct implementation of list indices. i in your case is … The way to avoid encountering this error is to always assign an integer … Use another list … items = extractor.extract(response.body_as_unicode(), response.url)["items"] TypeError: list indices must be integers or slices, not str It can we int, str, dictionaries (dict), other objects, or nested list, etc. To better understand this error, let's take a very simple example. If you are stuck in the python code with this error [ TypeError: list indices must be integers or slices, not str ]. リストの内容を一つずつ表示しようとしたときにエラーが発生しました。 A list in python can contain any type of object in sequential form. These indexes are always defined using integers. Estoy haciendo un CRUD con Python 3.7 y Flask, ahora estoy en la parte del UPDATE, por lo que yo mando datos desde Angular 7 y los proceso python. Sin embargo a la hora de ejecutar el codigo me sale el siguiente error: in actualizar_estatus status = data['estatus_usuario'] TypeError: list indices must be integers or slices, not str But we have already declared the index as str (string object). list indices must be integers, not str Wenn du dir nicht sicher bist, in welchem der anderen Foren du die Frage stellen sollst, dann bist du hier im Forum für allgemeine Fragen sicher richtig. The only reason for this error is when we put the string in list subscript while accessing the list’s element. Site Hosted on Digital Ocean, No Module Named Numpy Import Error : Fix this Issue Easily, np linalg norm : A Numpy method to Find Norms of Arrays, Python zip_longest() Function : Get Details with Implementation. Let’s see the case with a coding example. #3940 Sector 23,Gurgaon, Haryana (India)Pin :- 122015, TypeError: 'int' object is not subscriptable, Invalid literal for int() with base 10 in Python, Only Size-1 Arrays Can be Converted to Python Scalars, indentationerror: unindent does not match any outer indentation level in Python, String Indices Must be Integers in Python, Python is not recognized as an internal or external command. TypeError: tuple indices must be integers or slices, not … Let’s see the below code. In this article, I will explain to you the reason for this error with its solution. It looks like word is a string object, and it cannot be used as an int index, to index an element in the list. A floating point value does not correspond to any index number in a list. But if this variable does not have an integer value and instead has a string value, you will face an error called “TypeError: list indices must be integers or slices, not str”. TypeError: means that you are trying to perform an operation on a value whose type is not compatible with that operation. You have to mention the name of But if this variable does not have an integer value and instead has a string value, you will face an error called “ TypeError: list indices must be integers or slices, not str ”.

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