python f string format number

F-strings, introduced in Python 3.6, provide a concise and readable way to format strings. They are especially powerful when it comes to formatting numbers. In this tutorial, we will explore how to use F-strings to format numbers in Python.
To format a number using an F-string, you can directly embed the variable inside the string using curly braces {}. Here's a basic example:
Output:
When working with floating-point numbers, you might want to control the precision. You can use the :.nf syntax to specify the number of decimal places:
Output:
For integer formatting, you can use the :n syntax to add commas as thousands separators:
Output:
To format signed numbers, you can use the :+ syntax to include the sign:
Output:
You can add zero-padding to numbers using the :0n syntax, where n is the width of the field:
Output:
For large or small numbers, you can use scientific notation with the :.2e syntax:
Output:
These are just a few examples of how you can use F-strings to format numbers in Python. F-strings provide a concise and expressive way to create formatted strings, making your code more readable and maintainable. Experiment with different formatting options to suit your specific needs.
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