as it confuses variables in your code with variables in the external module

Question

in this lesson web describe as follows:
* imports all objects from a module. For example: from math import *
This is generally discouraged, as it confuses variables in your code with variables in the external module.

#i want to ask... For example: from math import pi
#but,in my code I def pi already ... so in my code is read this pi of math or my code def?

Answer 1

吳宗原
Your code pi will be read
Example:

from math import pi

pi = "overwrite"
print(pi)

Output: overwrite