In Python, the double-backslash operator (//) is the floor division operator. Floor division means dividing and rounding down to the nearest integer. For example: The physical interpretation of the floor division is about sharing quantities evenly. For example, given 7 apples and 3 eaters, how many full apples does each person get? The answer is […]
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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
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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
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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
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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,
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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
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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
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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
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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
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