[Python] python (sympy) implicit function: get values instead of plot?

I am new to sympy but I already get a nice output when I plot the implicit function (actually the formula for Cassini's ovals) using sympy:

from sympy import plot_implicit, symbols, Eq, solve
x, y = symbols('x y')
k=2.7
a=3
eq = Eq((x**2 + y**2)**2-2*a**2*(x**2-y**2), k**4-a**4)
plot_implicit(eq)


Now is it actually possible to somehow get the x and y values corresponding to the plot? or alternatively solve the implicit equation without plotting at all?

thanks!

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