Function within class and in modules

[TheSaint]

Hello
sorry, I'm bit curious to understand what could be the difference to pack up 
a class for some number of functions in it and a simple module which I just 
import and use the similar functions?
The only perspective that I think of is that class might instantiate a 
function several time. For my use I don't have multithread and mostly 
programs are sequencial.

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