In [1]: GF = galois.GF(3**5)

In [2]: f = galois.Poly([37, 123, 0, 201], field=GF); f
Out[2]: Poly(37x^3 + 123x^2 + 201, GF(3^5))

In [3]: f.coeffs
Out[3]: GF([ 37, 123,   0, 201], order=3^5)

In [4]: len(f)
Out[4]: 4

In [5]: f.degree + 1
Out[5]: 4