Error in VS Code

My doubt is regarding "Python for Developers Course " - Modules in Python.
In the video “Python Modules 3”, we created a package math and an init.py file in it.
In the video it says we can access what’s written in init.py file by “import math” in our current python file. But I am not able to do it. It’s showing error, like this:

print(math.a)

AttributeError: module ‘math’ has no attribute ‘a’

How to fix this?

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