Python is a flexible and versatile programming language that can be leveraged for many use cases, with strengths in scripting, automation, data analysis, mac…
How do you write test cases in Python? To write test cases effectively in Python: Import the necessary testing framework, such as unit test or pytest. Define a test class inherited from the testing framework’s base class. Write test methods within the class, each representing a specific test...
Here, we will define a function and return the statement based on the user input to work like a switch case. This is the switch case alternative in Python. We will also show you how lambda can be helpful in the same example. Let’s see how it will work by calling a function in Pyt...
Python >>>importhello# Do nothing>>>importhello# Do nothing again These two imports do nothing because Python knows that thehellomodule was already imported. Therefore, Python skips the import. This behavior may seem annoying, especially when you’re working on a module and trying to test your...
How Do You Choose Python Function Names? In this quiz, you'll test your understanding of how to choose Python function names. By working through this quiz, you'll revisit the rules and conventions for naming Python functions and why they're important for writing Pythonic code. ...
As mentioned above, the Python array module is not that popular to use, but they do get used in certain cases such as: Creating an Array in Python The array module supports numeric arrays in Python. So, to create an array in Python, we will have to import the array module. Following...
Tags are more complex than filters, because tags can do anything. Django provides a number of shortcuts that make writing most types of tags easier. First we’ll explore those shortcuts, then explain how to write a tag from scratch for those cases when the shortcuts aren’t powerful enough...
Add new features to projects you already built. Join an online community like Dev.to, Indie Hackers, or Product Hunt to see what other makers and developers are building or have built. Best Python Project Ideas A tool that predicts the price of a stock A website that showcases a list of...
With type checking and setting default arguments, there may be cases where the instance of an empty data structure should kick off some logic that allows a function call to succeed under unexpected conditions. For example, if you define a function that is called several times on different lists...
As you have seen, indexes for Series are integers by default. But what if you want to search by the data values themselves? This is where custom indexes come in handy. To create a custom index, you can define the index when first creating the Series: ...