Problem Formulation and Solution Overview During your career as a Pythonista, you will encounter situations where a Python script will need to be executed on a scheduled basis, such as daily, weekly, or monthly. This article shows you how to accomplish this task using a .bat (batch) file. 💬 Question: How would we write code … Read more
Summary: The most efficient way to split a string using multiple characters is to use Python’s regex library as re.split(“pattern”, “given_string”). An alternate solution is to replace the delimiters in the given string with a whitespace character and then split the string. Minimal Example: Problem Formulation 📜Problem: Given a string. How will you split the … Read more
Summary: Use ‘given_string’.splitlines(True) to split the string and also keep the new line character. Minimal Example: Problem Formulation 📜Problem: Given a string. How will you split the string into a list of substrings and keep the new line character intact? Example: Let’s have a look at a test case to understand the given problem. Without … Read more
Understanding Python’s setattr() and getattr() Functions Next, you’ll learn about the “normal”, non-nested and non-recursive get and set attribute functions. If you already know them well, there’s no need to read this section and you can skip ahead right to the problem formulation and solution. Let’s start with the setattr() function, followed by getattr(). setattr() … Read more
Summary: Use given_string.splitlines() to split a given string by newline. Minimal Example: Problem Formulation 📜Problem: Given a string, How will you split the string into a list of words using newline as a separator/delimiter? Example: Let’s dive into the different ways of solving the given problem. Method 1: Using splitlines Approach: The easiest way to split a … Read more
Problem Formulation and Solution Overview This article will show you how to create and execute a batch file in Python. ℹ️ Info: A batch or .bat file is a file that contains commands to be executed in the order specified. This file type can organize and automate tasks that need to be run regularly without … Read more
Summary: To split a string by comma and whitespace, you can use a list comprehension that splits the given string by comma and then eliminate the whitespaces from the substrings using the strip method. Minimal Example: Note that there are different scenarios and many other ways of solving the problem. Please read ahead to discover … Read more
You can create a list of objects using the list comprehension statement [MyObject() for _ in range(n)] that repeats n times the creation of a new object using the MyObject() constructor. The result is a list of n new objects (not copies). Here’s a minimal example: You can see that all of them point to … Read more
Problem Formulation and Solution Overview This article will show different ways to extract the first character of a Python string. To make it more interesting, we have the following scenario: The Government has asked Rivers Clothing to complete forms for each employee. These forms require the first character of the employee’s first name and their … Read more
Summary: Use given_string.rsplit(‘sep’, 1)[-1] to split the string and get the last element. Another approach is to use given_string.rpartition(‘sep’, 1)[-1] Minimal Solution: Problem Formulation 📜Problem: Given a string. How will you split the string and get the last element? Let’s try to understand the given problem with the help of an example: Example 1 In … Read more
What’s the Difference Between bytes() and bytearray()? The difference between bytes() and bytearray() is that bytes() returns an immutable and bytearray() returns a mutable object. So you can modify a bytearray but not bytes type. Here’s a minimal example that nicely demonstrates the difference of the two functions: You create two variables a and b. … Read more
This article will show you how to create and work with markdown files using Python. 💡 Markdown is an excellent tool with many features to spice up a flat-text file, such as changing text colors, adding bullet points, tables, and much more. A terrific way to add pizzazz to an otherwise dull file. To make … Read more