def METHOD_NAME():
    global cell, mf, kpts
    cell = gto.Cell()
    cell.a = '''
         1.755000    1.755000    -1.755000
         1.755000    -1.755000    1.755000
         -1.755000    1.755000    1.755000'''
    cell.atom = '''Li      0.00000      0.00000      0.00000'''
    #same type of basis for different elements
    cell.basis = 'gth-szv'
    cell.pseudo = {'Li': 'GTH-PBE-q3'}
    cell.mesh = [20]*3
    cell.verbose = 6
    cell.output = '/dev/null'
    cell.build()
    kpts = cell.make_kpts([2,2,2])
    mf = scf.KUKS(cell, kpts)
    mf.xc = 'lda,vwn'
    mf.kernel()