Which function definition MAY NOT generate an interpreter syntax error?

$1-$ def myFirstMidtermfun$(0$:

I$1$ def myFirstMidtermfun

iil$-$ def myFirstMidtermFun $0$ :

IV$-$ def myFirstMidtermfun$($:

V$.$ def myFirstMidtermfun $)=1,b=(2$ :

Vi$-$ define myFirstMidtermfun$()$: