Task: Implement a Pythonic Function to Filter Non-NaN Values from NumPy Arrays

Task: Implement a Pythonic Function to Filter Non-NaN Values from NumPy Arrays: a task in Terminal-Lego-15k (Harbor dataset). Create a Python function that returns non-NaN (Not a Number) values from a NumPy array in a more Pythonic way than using np.invert(np.isnan(a)) .