Python: Counting the Number of Elements in a List (4 Examples)
Updated: Jun 06, 2023
This quick article shows you how to count the number of elements in a list in Python. Using the len() function The built-in len() function takes a list as an argument and returns an integer value that represents the length of the......
Python: 6 Ways to Iterate Through a List (with Examples)
Updated: Jun 06, 2023
Using a for loop Using a for loop is the most common approach to iterating through a list in Python. You can access each element individually and perform operations on them as needed. Example: # Creating a list my_list =......
Python: How to Access Elements in a List
Updated: Jun 05, 2023
In Python, there are two main ways to access elements in a list. The first approach is to use indices, and the second one is to use list slicing. Let’s explore them one by one in this practical, example-based article. Accessing......
Python: How to Convert a Number to a Byte Array
Updated: Jun 04, 2023
This step-by-step article will show you how to convert numbers (both integers and floats) to byte arrays in Python. We will make use of the struct module to get the job done. The module provides functions to convert between Python values......
Python: How to format large numbers with comma separators
Updated: Jun 04, 2023
In Python, there are two easy ways to format large numbers with commas as separators to improve the readability of information (when printing to the console or displaying on the web). Using f-strings (Python 3.6+) Just enclose your......
Python: Reverse the Order of Digits in a Number (2 Approaches)
Updated: Jun 04, 2023
This concise and straight-to-the-point article brings to the table two different ways to reverse the order of digits in a given number (integer or float) in Python. Using string manipulation The steps to get the job done......
Python: Get Numeric Value from User Input
Updated: Jun 04, 2023
In Python, you can get numeric data from user input by using the input() function in combination with error handling. Below are the main steps: Prompt the user for input using the input() function. Because the value returned by......
Python: How to Extract Numbers from Text (2 Approaches)
Updated: Jun 04, 2023
This practical, example-based article will show you a few ways to extract numbers (integers and floats, positive and negative) from text in Python. There’s no time to waste; let’s get our hands dirty with code. Using......
Python: How to get the size of a number (integer, float) in bytes
Updated: Jun 04, 2023
This concise article shows you a couple of different ways to get the size of a number (integer, float) in Python. Using the bit_length() method With integers If you mean the number of bytes needed to represent the number as a......
Python: Check If a String Can Be Converted to a Number
Updated: Jun 04, 2023
This succinct article shows you several different ways to check whether a string represents a valid integer or float in Python, including negative numbers, decimal numbers, and numbers with exponents. The first two approaches are the best......
How to Convert a Number to a Hex String in Python
Updated: Jun 03, 2023
This pithy article shows you how to turn a number (integer, float) into a hexadecimal value in Python. Convert an integer to a hex value You can use the hex() function to convert a given integer to a hex string that starts with the......
Python: 2 Ways to Convert an Integer to Binary
Updated: Jun 03, 2023
This concise article shows you two approaches to converting an integer to binary in Python. Using the bin() function The bin() function takes an integer as input and returns a string representing the binary value. That resulting......