Running Windows 10 python 3.8.1

[snippsat]

What you mean bye does not recognize import?
IDLE has two parts when you start up you in interactive shell.

Python 3.7.2 (tags/v3.7.2:9a3ffc0492, Dec 23 2018, 22:20:52) [MSC v.1916 32 bit (Intel)] on win32
Type "help", "copyright", "credits" or "license()" for more information.
>>> import math
>>> 
>>> math.pi
3.141592653589793

Running as script look a this image.
Then code will be like this a file eg test_math.py,no >>> and have to use print().

import math

print(math.pi)

Output:
3.141592653589793