def runcommand(cosmology='WMAP5'):
    """pass"""
    Mi = [100000000.0, 1000000000.0, 10000000000.0]
    zi = 0
    print('Concentrations for haloes of mass %s at z=%s' % (Mi, zi))
    output = commah.run(cosmology=cosmology, zi=zi, Mi=Mi)
    print(output['c'].flatten())
    Mi = [100000000.0, 1000000000.0, 10000000000.0]
    zi = 0
    print('Concentrations for haloes of mass %s at z=%s' % (Mi, zi))
    output, cosmo = commah.run(cosmology=cosmology, zi=zi, Mi=Mi, retcosmo=True)
    print(output['c'].flatten())
    print(cosmo)
    Mi = 2000000000000.0
    z = [0, 0.5, 1, 1.5, 2, 2.5]
    output = commah.run(cosmology=cosmology, zi=0, Mi=Mi, z=z)
    for zval in z:
        print('M(z=0)=%s has c(z=%s)=%s' % (Mi, zval, output[output['z'] == zval]['c'].flatten()))
    Mi = 2000000000000.0
    zi = [0, 0.5, 1, 1.5, 2, 2.5]
    output = commah.run(cosmology=cosmology, zi=zi, Mi=Mi)
    for zval in zi:
        print('M(z=%s)=%s has concentration %s' % (zval, Mi, output[(output['zi'] == zval) & (output['z'] == zval)]['c'].flatten()))
    Mi = 200000000000000.0
    zi = 6
    output = commah.run(cosmology=cosmology, zi=zi, Mi=Mi)
    print('Concentrations for haloes of mass %s at z=%s' % (Mi, zi))
    print(output['c'].flatten())
    print('Mass variance sigma of haloes of mass %s at z=%s' % (Mi, zi))
    print(output['sig'].flatten())
    print('Fluctuation for haloes of mass %s at z=%s' % (Mi, zi))
    print(output['nu'].flatten())
    Mi = [100000000.0, 1000000000.0, 10000000000.0]
    zi = [0]
    z = [0, 0.5, 1, 1.5, 2, 2.5]
    output = commah.run(cosmology=cosmology, zi=zi, Mi=Mi, z=z)
    for Mval in Mi:
        print('dM/dt for halo of mass %s at z=%s across redshift %s is: ' % (Mval, zi, z))
        print(output[output['Mi'] == Mval]['dMdt'].flatten())
    M = [100000000.0]
    z = [0, 0.5, 1, 1.5, 2, 2.5]
    print('Halo Mass History for z=0 mass of %s across z=%s' % (M, z))
    output = commah.run(cosmology=cosmology, zi=0, Mi=M, z=z)
    print(output['Mz'].flatten())
    M = [100000000.0, 1000000000.0, 10000000000.0]
    z = [0]
    print('Formation Redshifts for haloes of mass %s at z=%s' % (M, z))
    output = commah.run(cosmology=cosmology, zi=0, Mi=M, z=z)
    for Mval in M:
        print(output[output['Mi'] == Mval]['zf'].flatten())
    return 'Done'