Default arguments allow you to define a function with optional arguments in Python. When calling the function, you can set the arguments—but you don’t have to. You set the default argument using the equal symbol = after the argument name and append the default value after that. Default arguments are a great Pythonic way to … Read more
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In this article, you will get the necessary information on how to create a table in SQLite using the package pyodbc in Python. Example code is included and a link to a Github repo will be provided in the references section. Prerequisites To use pyodbc in this article some prerequisites need to be met. ODBC … Read more
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Problem: How to return from a Python function or method in single line? Example: Consider the following “goal” statement: However, this leads to a Syntax error: In this tutorial, you’ll learn how to write the return statement with an if expression in a single line of Python code. You can get an overview of the … Read more
Python freelancers earn $51 per hour on average. But how do they do it? In the following video I show you the top five trending gigs for Python freelancers: In summary, these are the most trending jobs how Python freelancers earn money in 2020: Create educational content:. You can write blog articles for blog owners, … Read more
This article will be fun! You’ll learn about an important concept in security: reverse shells. You’ll also learn how to create reverse shells in Python in a single line of code. So, let’s start with the big question: What is a Reverse Shell? Here’s the definition of a Reverse Shell: A reverse shell is used … Read more
PEP 8 purists are ready to attack you and your code if they catch you not complying with the PEP 8 standard. For instance, Python coders put their braces, brackets, or parentheses into a separate line to make it easier to grasp nested lists or dictionaries. This article shows how to line up the closing … Read more
Summary: To make a Python one-liner out of any multi-line Python script, replace the new lines with a new line character ‘\n’ and pass the result into the exec(…) function. You can run this script from the outside (command line, shell, terminal) by using the command python -c “exec(…)”. Problem: Given a multi-line code script … Read more
Summary: You can accomplish one line exception handling with the exec() workaround by passing the one-linerized try/except block as a string into the function like this: exec(‘try:print(x)\nexcept:print(“Exception!”)’). This general method works for all custom, even multi-line, try and except blocks. However, you should avoid this one-liner code due to the bad readability. Surprisingly, there has … Read more
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The with statement replaces former try…finally blocks in Python. It ensures that clean-up code is executed. For example, it closes open files before leaving the block. Consider this code example (assuming this code is stored in a file named ‘code.py’): The output of this code would be the code itself (for nerds: a piece of … Read more