In the following user$-$defined Python function $($subroutine$),$ what are the technical term for the u and v$?$

def gcd$($u$,$ v$)$:

while v $!=0$:

temp $=$ u $\%$ v

u $=$ v

v $=$ temp

return u

Question $1$ options:

formal parameter

local variable

local parameter

actual parameter