To comment out a line in Python, we use the # symbol. ... We use the int keyword to represent integer data. age = 25. year = 2025. Float . These are numbers with a decimal point.

Python dataclasses can make your Python classes less verbose and more powerful at the same time. Here's an introduction to using dataclasses in your Python programs.

The int[] annotation indicates an array of integers, potentially a NumPy array. But to be as precise as possible, we need to indicate the number of dimensions in the array.