PI circuit example from class (I forgot to request output as V(1) V(2))
Vac 1 0 ac 400
C1  1 0 40uF
C2  2 0 404uF
R1  1 3 50
Ls  3 2 100mH
R2  2 0 1K
.ac LIN 2 10 25
.PRINT ac I(R2) V(1) V(2)
.END