text: import numpy as np
  from qmsolve import Hamiltonian, TwoFermions, init_visualization, Å
  
  
  H = Hamiltonian(particles = TwoFermions(), 
  				potential = None, # If None is specified, the particles are just limited by the limits of the grid which are infinite barriers
  				spatial_ndim = 1, N = 100, extent = 10 * Å)
  
  
  eigenstates = H.solve(max_states = 90)
  print(eigenstates.energies)
  
  visualization = init_visualization(eigenstates)
  
  #visualization.plot_eigenstate(6)
  #visualization.slider_plot()
  visualization.animate()