Suppose $z$ is a complex number such that $z^4 = \frac{64}{5}-\frac{48}{5}i$.  Find $|z|$.
from sympy import I, re, im, root, sqrt

power = 4

z_power = (64/5) - (48/5)*I

z = root(z_power, power)

length = sqrt( re(z)**2 + im(z)**2)

print(length)