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How to Extract the First Digit After the Decimal Point in Python 1.45

Learn how to easily print the first digit after the decimal point in a number using Python. This guide provides a simple, straightforward solution to extract that specific digit, no matter how many numbers follow the decimal. --- This video is based on the question https://stackoverflow.com/q/71989790/ asked by the user 'TurtleSam' ( https://stackoverflow.com/u/18619951/ ) and on the answer https://stackoverflow.com/a/71989838/ provided by the user 'SIGHUP' ( https://stackoverflow.com/u/17580381/ ) at 'Stack Overflow' website. Thanks to these great users and Stackexchange community for their contributions. Visit these links for original content and any more details, such as alternate solutions, latest updates/developments on topic, comments, revision history etc. For example, the original title of the Question was: How to print specific number right of the decimal point Also, Content (except music) licensed under CC BY-SA https://meta.stackexchange.com/help/l... The original Question post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license, and the original Answer post is licensed under the 'CC BY-SA 4.0' ( https://creativecommons.org/licenses/... ) license. If anything seems off to you, please feel free to write me at vlogize [AT] gmail [DOT] com. --- How to Extract the First Digit After the Decimal Point in Python 1.45 When dealing with floating-point numbers in Python, a common requirement is to access a specific part of the number. One such scenario is extracting the first digit that appears immediately after the decimal point. In this guide, we will explore a simple solution to achieve this, making it easy for Python beginners to understand and implement. The Problem Explained Imagine you have a decimal number like 1.45, and you want to retrieve the first number after the decimal point, which in this case is 4. You may want to write code that accomplishes this regardless of how many digits appear in the decimal portion. The challenge often lies in wanting a solution that doesn't require you to know beforehand how many digits will follow the decimal. You might have already experimented with formatting options like ".2f" in Python, only to find that they do not yield the desired outcome. What you need is a way to effectively isolate that first digit, and we're here to provide a straightforward solution. Solution: Using Python Code The solution to this problem is surprisingly simple. The approach involves a basic arithmetic operation combined with the modulus operator. Let’s break it down into steps. Step-by-Step Guide Multiply the number by 10: This shifts the decimal point one place to the right. If you start with 1.45, multiplying by 10 gives you 14.5. Convert to Integer: This effectively removes the decimal part, so from 14.5, you now have 14. Use the Modulus Operator: To get the first digit after the decimal point, apply the modulus operator with 10. In this case, 14 % 10 gives you 4, which is exactly what you need. Example Code Here’s how the Python code looks: [[See Video to Reveal this Text or Code Snippet]] Output When you run the above code, the output will be: [[See Video to Reveal this Text or Code Snippet]] Conclusion Extracting the first digit after the decimal point in a floating-point number is a common task in many programming scenarios. By multiplying the number by 10, converting it to an integer, and then using the modulus operation, you can easily retrieve that digit without complicated formatting or string manipulation. This method is efficient and works seamlessly for various input sizes. So the next time you need that specific digit, remember this simple solution! Happy coding!