Overview 🌞 Do you encounter this stupid error? TypeError: ‘builtin_function_or_method’ object is not subscriptable You’re not alone—thousands of coders like you experience this error in thousands of projects every month. This short tutorial will show you exactly why this error occurs, how to fix it, and how to never make the same mistake again. So, … Read more
Understanding the pprint() Function in Python You may know the pprint module and its pprint() function to pretty print a string, dictionary, set, or list. If not, feel free to watch the following video and read the associated tutorial on the Finxter blog: 👉 Recommended Tutorial: Python pprint – A Simple Guide to Pretty Printing … Read more
Problem Formulation and Solution Overview This article will show you how to extract a zip file in Python. A ZIP file is an archive file format that compresses one or more files into one primary location. This file type is known to quickly and easily transfer large amounts of data. Let’s say you have been … Read more
Problem Formulation Given an integer number. How to sum over all digits of this number to compute the crossfoot (cross total)? Consider the following examples: 12 – > 1+2 = 3 123 – > 1+2+3 = 3 244 – > 2+4+4 = 10 981223 – > 9+8+1+2+2+3 = 25 Method 1: sum() with Generator Expression … Read more
Scrapy is an excellent tool for extracting data from static and dynamic websites. In this article, we are going to discuss the solution to the following problems: Extract all details of Offices from the website https:/directory.ntschools.net/#/offices Instead of using a whole scrapy framework, use a typical Python script for extracting the data. For each office, … Read more
Python provides three ways to stop a for loop: The for loop ends naturally when all elements have been iterated over. After that, Python proceeds with the first statement after the loop construct. The keyword break terminates a loop immediately. The program proceeds with the first statement after the loop construct. The keyword continue terminates … Read more
5 Simple Steps to Install a Library in Python Follow this 5 step procedure to install a library, module, or package in Python: Download Python if you haven’t already and install it in your environment. Add the python or pip commands to your environment variable so you can access them from the command line (Win) … Read more
The most Pythonic way to convert a list of floats fs to a list of strings is to use the one-liner fs = [str(x) for x in fs]. It iterates over all elements in the list fs using list comprehension and converts each list element x to a string value using the str(x) constructor. This … Read more
Problem Formulation and Solution Overview This article will show you how to suppress warning messages in Python scripts. Warning messages in Python are commonly used to notify the coder of a potential issue with their script. Warnings can inform the coder about any outdated or obsolete elements. An example would be if a plugin or … Read more
Problem Formulation Given a Python list of elements. If you print the list to the shell using print([1, 2, 3]), the output is enclosed in square brackets and separated by commas like so: “[1, 2, 3]”. But you want the list without brackets and commas like so: 1 2 3. How to print the list … Read more
In this lesson, we will learn several methods for using arguments in the command line and how we can manipulate them to run in our pre-written Python scripts. The three methods we will explore and compare are: sys.argv argparse getopt These are ordered for ease of use and simplicity. I’ve added the getopt() method for … Read more
🐍 Abstract: In this article, we’ll quickly overview the best method, respectively, to convert a CSV file to JSON, Excel, dictionary, Parquet, list, list of lists, list of tuples, text file, DataFrame, XML, NumPy array, and list of dictionaries. In this article, you’ve learned the best ways to perform the following conversions (click to read … Read more