Data Analytics and Video Tutorials
Take data and provide it in a format that enables a better understanding of the data by a large audience.
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…
So you have landed an interview and worked hard at upskilling your Python knowledge. There are going to be some questions about Python and the different aspects of it that you will need to be able to talk about that are not all coding! Here we discuss some of the key elements that you should…
Are you looking to learn python, and in the process coming across this error and trying to understand why it occurs? In essence, this usually occurs when you have more than one data frames and in the process of writing your program you are trying to use the data frames and their data, but there…
Read More “ValueError: Columns must be same length as key” »
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…
Read More “How To Check For Unwanted Characters Using Loops With Python” »
So you have an Excel file that has hundreds or maybe thousands of records, but you want to convert it to an XML file, and have each row as a separate file? This can be achieved very easily using Python, in three easy steps. First of all, what is XML? XML stands for “extensible markup…
Read More “How to Create Multiple XML Files From Excel With Python” »
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…
More and more, website developers are looking to blend different programming technologies to allow them to use functionality, that maybe is not available to them in the current programming language they utilise. In previous posts how to pass python variables to Javascript and how to run python directly from javascript, we touched on how to…
In our recent blog posting How to Pass a Javascript Variable to Python using JSON, we demonstrated how to easily use AJAX to pass whatever data you wanted and then manipulate it with Python. In this blog posting, we are going to show how to do this the other way around. The scenario is that…
Have you ever been faced with a situation where you have multiple lists you want to compare, and need a function that will read them in and show you what is different between them all? In this scenario, this can be handy where you have large data sets and need a quick way to find…
Read More “How to pass multiple lists to a function and compare” »
Are you using a function and looking to pass values into it to be processed? Well if this is the case you are trying to pass arguments to that function’s parameters so they will return a value for you. Parameters are just values that are associated with the function. For each function, you are going…