use global:
c=2
function ad(a,b)
global c=c*c
return a+b+c
end
this will change the value of c, if you don’t want to change it, use another variable name
also use ``` to display nice code here
use global:
c=2
function ad(a,b)
global c=c*c
return a+b+c
end
this will change the value of c, if you don’t want to change it, use another variable name
also use ``` to display nice code here