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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _conglomerate_meshes(meshin, header):
 """Conglomerate meshes from several cores into one."""

    meshout = {}
    npc = header['nts'] // header['ncs']
    shp = [val + 1 if val != 1 else 1 for val in header['nts']]
    x_p = int(shp[0] != 1)
    y_p = int(shp[1] != 1)
    for coord in meshin[0]:
        meshout[coord] = np.zeros(shp)
    for icore in range(np.prod(header['ncs'])):
        ifs = [icore // np.prod(header['ncs'][:i]) % header['ncs'][i] * npc[i]
               for i in range(3)]
        for coord, mesh in meshin[icore].items():
            meshout[coord][ifs[0]:ifs[0] + npc[0] + x_p,
                           ifs[1]:ifs[1] + npc[1] + y_p,
                           ifs[2]:ifs[2] + npc[2] + 1] = mesh
    return meshout