Rikesh Nichani
You can add multiple key-value pairs to a Python dictionary by using the update() method and passing a dictionary as an argument. For example, dict1.update(dict2) will insert all key-value pairs of dict2 into dict1. You can add a single key:value pair to a Python dictionary by using the square bracket approach dict[key] = value. In … Read more
Let’s start by noting that the key assumption we will be making throughout this article is that the aim is to get the elements as values, not to count them – but return a list with the corresponding values. Lists are one of the most common data structures used in Python and are created using … Read more
Python Mutliline Strings In this article we are going to look at how to properly indent your code for Python multiline strings, so let’s start by clarifying what a multiline string is and why indentation is important. Readability for other users is one of the key requirements of writing effective Python code, so having a … Read more
Strings, Printing and ‘\n’ The printing of a basic string is probably the first program the majority of people, myself included, write in Python – does print(‘hello world’) sound familiar? From the outset we know the principle is simple, we can pass our string through the print() function and the output will be displayed in … Read more
Tuples, Strings, and Lists Before we look at creating tuples, as a starting point it would be useful to clarify the meaning of the various terms we will be using throughout this article: A string is a sequence of characters, and represents one of the main Python data types. A list is used to store … Read more
Problem Formulation: How to check if all characters of a string are uppercase? Background: A string is a sequence of characters, and is amongst the most commonly used and popular data types in Python. Strings can be enclosed by either single or double quotes and are ‘immutable’, meaning they can’t be changed once created. There … Read more
A newline is used to mark the end of a line and the beginning of a new one, and in this article we are going to look at how to read a file in Python without these newline breaks. To begin with we are going to create a simple .txt file. After each line of … Read more
In this article we are going to look at how we can see time in milliseconds, i.e. one thousandth (1000th) of a second, using Python. This could be for pure curiosity, benchmarking code or to get a very, very accurate time of day – whatever the reason, the focus of the article is how to … Read more
Why Stop a Python Script? As a programming language,Python is designed to read code line by line and stop at the end of the script by default – so why would we need to stop it? Whilst there are a number of reasons this may be necessary, they basically fall into two distinct categories: You … Read more
What is the exec() Function exec() is a built-in Python function that is most commonly used to dynamically execute code, either as a string or object code. To properly understand how we can use exec() to import libraries and modules we need to familiarize ourselves with the syntax of the function itself, as it becomes relevant later: … Read more
No matter the stage of your Python development career, you probably already appreciate the importance of running and testing your code. This is the only way to ensure it works as planned and does what you need it to do. But how do you actually run scripts and code? This article will give you a … Read more