Equivalent Impedance of an LC Parallel Resonant Circuit

ω = 2*pi*f;
L = L_mH/10^3;
C = C_pF/10^12;
ZL = R + i*ω*L;
ZC = 1/(i*ω*C);
Z = 1/(1/ZL + 1/ZC);
Leff = Im(Z)/ω;
Reff = Re(Z);
Q = Im(Z)/Re(Z);
print(Z);
print(Leff);
print(Reff);
print(Q);