File handling in Python, among others, involves the task of opening a file in append mode which has its own importance in that scheme of things. Append mode makes it possible for you to add new content to a file without deleting or overwriting the existing data. Here, in this ... Read More

The task of appending content to a file is a common and routine task in Python programming. If you need to log data, store user inputs, or update a configuration file, appending makes it possible for you to add new data or information to a file without overwriting existing content. ... Read More

Documentation is an important aspect of writing code, especially when it comes to functions. It helps others understand what the function does, how to use it, and what parameters it takes. Python has a built-in documentation tool called docstrings. A docstring is a string that appears as the first statement ... Read More

In Python, a non-white space character is any character that is not a space, tab, or newline. These characters are important for formatting and readability in Python code. Suppose we have a string with both whitespace and non-whitespace characters: We can use the isspace() method to check if each character ... Read More

Character class operations are a way to match certain types of characters in a string using regular expressions in Python. In regular expressions, a "character class" is a set of characters that you want to match. You can use square brackets `[]` to create a character class. For example, if ... Read More

In Python, classes are like blueprints for creating objects. Once you define a class, you can create objects (also called instances) based on that class. Here are four ways to create class objects in Python: Creating a Class and an Instance Example In this example, we define a class called ... Read More

Camel case and snake case are ways of writing words together when we are programming. In camel case, we write words together without spaces and we start each new word with a capital letter except for the first word. For example, if we want to write a variable name for ... Read More

The preferred way to concatenate a string in Python is by using the + operator or the join() method. Here's a step-by-step explanation of each method − Using the + operator To concatenate two strings using the + operator, simply put the strings next to each other with a + ... Read More

In Python, the most efficient way to concatenate strings is to use the join() method. This method takes a list of strings and joins them together into a single string. Example: How to use the join() method In this example, we have a list of strings called words. We want ... Read More

In Python, the maximum file size that can be opened depends on the operating system and the filesystem. In general, modern operating systems and filesystems support very large file sizes, so the practical limit is often much higher than what you would ever need. For example, on a 64-bit version ... Read More