If you are interested in learning Python programming language, you might be wondering whether you can download it for free. The answer is yes, you can download Python for free. Python is an open-source programming language, which means that its source code is freely available and can be modified and distributed by anyone. Python can …
If you’re looking to download a file using Python, the requests library is a great option to consider. This library allows you to easily make HTTP requests and handle responses in a Pythonic way. First, you’ll need to install the requests library if you haven’t already. You can do this using pip, the package installer …
The empty slice operator [:] in Python is a powerful and concise way of copying a list. It is shorthand syntax allowing you to create a new list that contains all the elements of the existing list where the operator is used. This operator is represented by one colon wrapped in square brackets [:] with …
When starting out in Python it can be easy to think that the expression list2 = list1 will make list2 contain a copy of list1. But it doesn’t take long to realise that this doesn’t meet expectations of what actually happens in the wild. Take the following code as an example: Huh? Why did list2 …
How do you create a dictionary in Python? Dictionaries in Python are mutable data types that contain key: value pairs. A dictionary can be a great way to organise information, especially if checks need to be performed prior for uniqueness and/or the value of that key needs to be changed, skipped or inserted. Creating A …
Why is it when you copy a list in Python doing b_list = a_list that, any changes made to a_list or to b_list modify the other list? If you’ve played with lists in Python you will reach a point where you want to copy a list to make modifications to it without changing the original …