Summary: You can use Python’s pickle library to save dictionary data to a file. Another efficient approach to save dictionary data to a file is to use Python’s built-in JSON package. You can also use simple file handling functions to store dictionary data in a text file directly. Problem: Given a Python dictionary. How will … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to erase the contents of a file in Python. To make it more fun, we have the following running scenario: Let’s say you have a Python script that retrieves the daily stock exchange prices for five (5) Tech Companies and saves it to prices.txt. … Read more
Summary: Call the append function of the Numpy library as: numpy.append(given_array, elements_to_be_appended, axis) to extend the given array along a specific axis. Other ways of extending the array include using: (i) the vstack and column_stack helper functions. (ii) the numpy.insert function. Problem Formulation Given a Numpy array; How will you extend the given array with … Read more
Coders are often skilled in analytical and creative areas. It doesn’t surprise that with those skills, they often fare well in business and investing too. Examples of skilled coders who are also skilled in finance are Bill Gates, Mark Zuckerberg, Marc Andreessen, and myriads more. Those coders with a strong interest in finance became billionaires! … Read more
Taxes are the most significant expense for you as a business owner and as a private person alike. Do you want to create your thriving freelancing business? Congratulations, this has been the best decision in my professional life—and it’s rewarding to earn more money per time spent (Python freelancer average is $61 per hour), be … Read more
Das folgende Python Program implementiert eine einfache Faustformel zur Berechnung der Einkommensteuer in Deutschland: Hier ist ein einfaches Schaubild, dass das Verhältnis von zu versteuertem Einkommen (zvE) und der geschätzten Steuerlast darstellt: Der folgende Python code wurde zur Berechnung dieses Schaubilds herangezogen: Dies ist nur eine Heuristic von dieser Quelle—es scheint aber relativ korrekt zu … Read more
This article compiles the most attractive and most profitable job descriptions in the cloud computing space. Cloud computing is a rapidly changing field—many experts argue that virtually every app will eventually run in a cloud environment. As you’ll see in this article, there are some highly lucrative cloud computing jobs available today. I’ve roughly sorted … Read more
Here’s the transcript of the video: Hi everyone. How are you? Thushyanthan here. I wanted to take a few minutes to provide some feedback and, I guess in some sense, a review of the course material potentially also a testimonial. So take it how you will. But before I begin, I just want to give … Read more
The Python getpass module provides portable password input functionality and allows you to accept an input string in a command-line interface (CLI) without the string being typed from being visible (echoed) in the interface. The getpass module also includes a getuser function for retrieving a username from the relevant environment variables. In this getpass Python … Read more
Problem Formulation and Solution Overview In this article, you’ll learn how to open multiple files in Python. 💬 Question: How would we write Python code to open multiple files? We can accomplish this task by one of the following options: Method 1: Open Multiple Text Files using open() Method 2:Open Multiple Text Files using open() … Read more
When to Use Two Blank Lines? PEP 8 Style Guide The following two rules will provide you a sufficient heuristic on when to use two blank lines: Surround top-level function and class definitions with two blank lines. Insert two blank lines after the import statements if the code that follows starts with a top-level function … Read more
Summary: The most Pythonic approach to divide each element in a list is to use the following list comprehension: [element/divisor for element in given_list]. Read ahead to discover numerous other solutions. Problem: How to divide each element in a list and return a resultant list containing the quotients? Example: li = [38, 57, 76, 95, … Read more