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Category: python dictionaries

These use key-value pairs to manage the retrieval of data.

How Would You Change The Name Of a Key in a Python Dictionary

Posted on January 3, 2023February 12, 2023 By admin

In our last example of working with dictionaries, we showed you How To Delete a Set of Keys From a Python Dictionary. This is a very useful scenario if you want to tidy up the dictionary and remove data not required. Following on from that, in this post, we are going to look at changing…

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Python, python dictionaries, python interview questions, Python Lists

How To Delete a Set of Keys From a Python Dictionary

Posted on January 3, 2023February 12, 2023 By admin

In our last video on how to delete a key from a python dictionary, we illustrated where one key could be removed easily. But what if you wanted to remove one or more keys? In the below code, we have created an empty dictionary. This will be populated by values in “dictionary_remove”. Option1 uses the…

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python dictionaries, Python Lists, search

How to delete a key from a Python dictionary

Posted on November 9, 2022January 23, 2023 By admin

This is an addition to the list of questions you may get when in an interview and you are asked to give an overview of Python. As with how to create an empty dictionary in Python, how to add values to a python dictionary, and how to sort a python dictionary we will take you…

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Python, python dictionaries, python interview questions, search

How to sort a Python Dictionary

Posted on November 9, 2022February 12, 2023 By admin

In our Python Overview Interview Questions we started off the process of trying to prepare you how to answer any questions that may come up in an interview scenario. We then moved on to show how to discuss Python Dictionary Interview Questions and what may come up. One of the questions that you may be…

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Python, python dictionaries, Python Functions, python interview questions

How To Add Values to a Python Dictionary

Posted on October 22, 2022March 12, 2023 By admin

As part of our ongoing series about Python Interview questions, we discussed how you would create an empty dictionary. In this posting, we are going to go through the different ways you could add values to your dictionary. In the below code, we have created an empty dictionary for you. So as we go down…

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Python, python dictionaries, Python Tutorial

How To Create An Empty Dictionary In Python

Posted on October 22, 2022February 12, 2023 By admin

In our recent video Python dictionary interview questions, we discussed a number of topics around Python dictionaries . Here we will discuss how to create an empty dictionary. In the below code, you will see there are two ways to create: Creating empty dictionaries has many benefits as you can manipulate them as they are…

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python dictionaries, python interview questions

Python Dictionary Interview Questions

Posted on October 19, 2022February 12, 2023 By admin

In our first video on python interview questions we discussed some of the high-level questions you may be asked in an interview. In this post, we will discuss interview questions about python dictionaries. So what are Python dictionaries and their properties? First of all, they are mutable, meaning they can be changed, please read on…

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Python, python dictionaries, Python Tutorial

How To Check For Unwanted Characters Using Loops With Python

Posted on August 21, 2022March 12, 2023 By admin

On this website, we have posted about how to remove unwanted characters from your data and How to remove characters from an imported CSV file both will show you different approaches. In this blog posting, we are going to approach the process by using loops within a function. Essentially we are going to pass a…

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Python Data Cleansing, Python Dataframe, python dictionaries, Python Functions, Python Lists, regular expressions

How To Fix TypeError: unhashable type ‘slice’

Posted on July 26, 2022February 12, 2023 By admin

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: The last point is very important as dictionaries do not have an index value, and this is why you get the TypeError…

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python dictionaries, search, type error

how do I merge two dictionaries in Python?

Posted on January 27, 2021April 11, 2021 By admin

Python dictionaries which are used in data analytics frequently and by their nature are enclosed in {} and have key:value pairs, so the data in them can be retrieved easily. There maybe a scenario where you need to merge two dictionaries, but how would you acheive this? The good thing is that Python dictionaries are…

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Python, python dictionaries

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