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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 _make_wcsgeom_from_config(config):
 """Build a `WCS.Geom` object from a fermipy coniguration file"""


        binning = config['binning']
        binsz = binning['binsz']
        coordsys = binning.get('coordsys', 'GAL')
        roiwidth = binning['roiwidth']
        proj = binning.get('proj', 'AIT')
        ra = config['selection']['ra']
        dec = config['selection']['dec']
        npix = int(np.round(roiwidth / binsz))
        skydir = SkyCoord(ra * u.deg, dec * u.deg)

        wcsgeom = WcsGeom.create(npix=npix, binsz=binsz,
                                 proj=proj, coordsys=coordsys,
                                 skydir=skydir)
        return wcsgeom