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Tag: TypeError

This error appears when a value is passed to another variable, which is not the same data type.

How To Fix TypeError: unhashable type ‘slice’

Posted on July 26, 2022October 16, 2022 By admin No Comments on How To Fix TypeError: unhashable type ‘slice’

So you have a Python dictionary, and you want to retrieve data from it and print it to a screen. There are some characteristics of Python that first of all should be understood: They are mutable They also have the ability to grow and shrink as required. Data is accessed within the dictionary via keys….

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python dictionaries, search, type error

TypeError: Array() Argument 1 Must Be A Unicode Character, Not List

Posted on June 11, 2022June 13, 2022 By admin No Comments on TypeError: Array() Argument 1 Must Be A Unicode Character, Not List

In a recent post, we discussed arrays and what they mean and how they differ from lists. When you have a list in an array, one of the things that you need to define is what data type it is. If you don’t then the array will throw the error that you are on this…

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array, Python Lists, type error

TypeError: List Indices Must Be Integers Or Slices, Not Tuple

Posted on October 9, 2021January 28, 2023 By admin No Comments on TypeError: List Indices Must Be Integers Or Slices, Not Tuple

When working with Python lists in your data analytics projects, when you trying to read the data, a common problem occurs if you have a list of lists, and it is not properly formatted. In this instance, Python will not be able to read one or more lists and as a result, will throw this…

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exceptions, Python Lists, Python Tuples, type error

TypeError: the first argument must be callable

Posted on July 24, 2021July 24, 2021 By admin No Comments on TypeError: the first argument must be callable

So you may be using Python Classes and have encountered the problem TypeError: First Argument Must be Callable. So what does the problem mean and how can you fix it? In this article, we are looking to explain how it may occur and the easy fix you can apply to stop the problem in the…

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Python, Python Functions, type error

TypeError: ‘NoneType’ object is not iterable

Posted on July 19, 2021January 21, 2023 By admin No Comments on TypeError: ‘NoneType’ object is not iterable

Have you wondered why you cant iterate over a NoneType but never had it properly explained? Read on as here we will fully explain the concept and how you can fix it. So what is a NoneType anyway? First of all, to understand a none type, you need to understand what none is. None is…

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class, None Type, Null values, type error

TypeError: ‘list’ object is not an iterator

Posted on May 9, 2021June 17, 2021 By admin No Comments on TypeError: ‘list’ object is not an iterator

We have covered off many TypeErrors on this website, here we will go through which using a list with and it is not an iterator gives you errors. In order to understand this error better, we need to first understand what is an iterator in Python? An iterator is a Python object that has the…

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Python, Python Lists, python method, type error

TypeError: ‘float’ object is not callable

Posted on May 4, 2021July 13, 2022 By admin No Comments on TypeError: ‘float’ object is not callable

So you have been presented with the TypeError: ‘float’ object is not callable in Python, but unsure how to fix? Well read on so we can get you a solution. First things an overview of a Float A float is any number that can contain a decimal place separating an integer from the fractions to…

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Python, type error

TypeError: ‘int’ object is not callable

Posted on May 3, 2021May 6, 2021 By admin 4 Comments on TypeError: ‘int’ object is not callable

We have posted several python solutions to TypeErrors here on the website. Here is another one we hope you will find useful in solving a programming issue you may have. So what does the error mean? In the below code, we have four variables that have been assigned an integer. As can be seen we…

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Python, type error

TypeError: ‘str’ object is not callable

Posted on February 15, 2021February 18, 2021 By admin No Comments on TypeError: ‘str’ object is not callable

This is a common TypeError that you will come across in Python, it is actually easy to diagnose how it occurred. To start off we need to understand “str” is a function in python, and it converts any value into a string. As a result , because it is a function your ability to call…

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Python Functions, type error

TypeError object of type ‘int’ has no len()

Posted on February 8, 2021February 22, 2021 By admin No Comments on TypeError object of type ‘int’ has no len()

I have seen this data type error come up numerous times while working on my data analytics projects, and recently decided to investigate further. On initial inspection, it can seem a bit of a funny one, but in actual fact, it is quite straight forward. Lets break it down and see what is going on…

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Python, type error

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