In mathematics, the modulo gives you the remainder of the division. In Python, you can calculate the modulo using the percentage operator %. For example: You can interpret this answer as to how many slices of pizza are left over when 10 slices are shared with four eaters. The answer is 10 % 4, which […]
Modulo (%) in Python: A Complete Guide (10+ Examples) Read More »
To convert a string to a date object in Python, use datetime.strptime() function. For example, let’s convert “Dec 1 2021 5:33 PM” into a date object: Output: In this guide, you will learn how datetime.strptime() function works. You will also learn about the dateutil module. How Does the datetime.strptime() Function Work To convert a date
Python datetime Object from String (A Complete Guide) Read More »
In JavaScript, you can have if-else statements on one line. To write an if-else statement on one line, follow the ternary conditional operator syntax: For example: This is a useful way to compress short and simple if-else statements. It makes the code shorter but preserves the readability. However, do not overuse the ternary operator. Converting
JavaScript If-Else on One Line Read More »
Printing and returning are fundamentally different concepts in Python. Example Here is an example of a function that prints a value. If you call this function, you can see a greeting in the console: Output: Here is an example of a function that returns a value. When you call this function with a name input,
Print vs Return in Python Read More »
In mathematics, random walk is the process in which objects randomly wander away from where they started. Here is a video that shows how a particle collides with other particles in two dimensions. The path of the yellow particle is described by random walk: Random walk is easy to visualize using Python. Here are illustrations
Random Walk in Python (1D, 2D, and 3D with Examples) Read More »
To check if a Python string contains all the characters from a list, check if each character exists in the word: Here is an example: Output: To learn other useful string methods in Python, feel free to check this article. Below you find a more detailed guide of how to check if a string contains
Python How to Check If String Contains Characters from a List Read More »
In Python, you can inspect any object with the built-in help() function. For example: Output: If this is not enough, there are other functions you can call on an object to get more specific info about the object: In this guide, we take a closer look at each of these built-in functions to make exploring
How to Inspect a Python Object Read More »
In Python, you can use the del statement to destroy an object. The syntax is simple: For example, let’s create a variable and delete it: Output: What Can Be Deleted with ‘del’ in Python? In Python, everything is an object. The del statement can be used to delete objects. Thus you can delete almost anything
Python del Statement Read More »
The __add__() method in Python specifies what happens when you call + on two objects. When you call obj1 + obj2, you are essentially calling obj1.__add__(obj2). For example, let’s call + on two int objects: Output: This works, because int implements the __add__() method behind the scenes. To make a custom object support addition with
Python __add__() Method Read More »
The __abs__() method in Python specifies what happens when you call the built-in abs() function on an object. For example, let’s call abs() on a negative number: Output: The result is the absolute value of the negative number, that is, the distance from 0. The important part here is to understand that calling abs(n) is
Python __abs__() Method Read More »
