Data Analytics and Video Tutorials
Python dictionaries are mutable collections of key-value pairs of data.
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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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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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…
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…
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…
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…
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….