from sympy import *
from spb import *
z, u = symbols("z u")
expr1 = z * exp(2 * pi * I * z)
expr2 = u * expr1
n = 15
l1 = [expr1.subs(z, t / n) for t in range(n)]
l2 = [expr2.subs(z, t / n) for t in range(n)]
plot_complex_list(
    (l1, "f1"), (l2, "f2"),
    params={u: (0.5, 0, 2)}, use_latex=False,
    xlim=(-1.5, 2), ylim=(-2, 1))