Learn to Code. Shape Your Future
I’ve heard that Python has an operator called ternary operator but I don’t know how to use it. What does the ternary operator do? The Python ternary operator (or conditional expression) works on three operands and allows to write the logic of an if else statement in a single line of code. With the ternary … Read more
I have written a Python function that creates a list. How can the function return the list so I can use it in other parts of my program? To return a list from a function in Python, use the return keyword followed by the list you want to return. The approach is the same as … Read more
You can convert a list of strings to a list of integers in Python with a for loop that goes through each item in the list of strings, converts it into an int, and appends it to a new list. A more concise alternative is to use a list comprehension. A third option is using … Read more
Do you want to learn how to convert a string to an int in Python? You are in the right place. This tutorial will clearly show you how to do it. The Python int() built-in function converts a string to an integer. This is required when you want to execute mathematical operations that would fail … Read more
Sometimes while writing a Bash script I have seen the Bad substitution syntax error and looking at forums I realised that I’m not alone, other people are seeing the same error too. What is the Bash bad substitution error? It’s a syntax error that occurs when you execute your Bash script and it can be … Read more
Do you want to know how to check if a list is empty in Python? You are in the right place. Here you will learn three simple ways to do that. To check if a Python list is empty you can use the len() built-in function that returns the number of elements in a list. … Read more
One common error you might see while writing Python code is “list indices must be integers or slices, not tuple”. This tutorial will show you how to fix it. The Python error “list indices must be integers or slices, not tuple” can occur in multiple scenarios. The simplest way to understand what’s causing an error … Read more
Imagine you are developing a game, and you need a mechanism to determine the impact of a player’s attack on their enemy. However, this mechanism should not just indicate a successful or failed attack. It should also provide feedback based on the outcome of the attack, such as a successful hit, a critical strike, or … Read more
Strings in Python enable you to work with text-based data, which is fundamental in every programming project, whether it’s for data analysis, web development, or automation. In Python, think of strings as a collection of individual text characters, including letters, numbers, symbols, or spaces. In Python, every character is treated as a tiny string on … Read more
The following 10 challenges have been created for students who are either new to Python or want to strengthen their existing knowledge of Python lists. These tasks will test your comprehension and improve your ability to manipulate and interact with lists. Exercise 1 Grocery List: Create a list of your favourite groceries, then: Solution to … Read more
