How to Display Money Values with Two Decimal Places in Python?

Formatting Decimals: Displaying Money Values with Precision

You want to display decimal values, such as money, consistently with two decimal places regardless of their length or whether they have decimal places initially.

The key to achieving this is to use the new format specifications for representing numerical values. The most efficient and preferred approach is:

from math import pi

'{0:.2f}'.format(pi)  # Output: '3.14'

Here's a detailed explanation:

• {0} represents the numeric value being formatted (in this case, pi).
• :.2f specifies the format. The .2 part indicates two decimal places, and the f signifies a floating-point number.

If you prefer a more readable format, you can use the Python String Format Cookbook or pyformat.info for reference on new-style string formatting.

Alternatively, Python 3.6 introduced literal string interpolation (f-strings). Using f-strings, the above code can be further simplified to:

f'{pi:.2f}'  # Output: '3.14'

This method provides an efficient and concise way to format decimal values with precision, ensuring consistent representation of money values or any other numeric values requiring specific decimal places.

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