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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 compute_radius(wcs):
 """Compute the radius from the center to the furthest edge of the WCS."""


    ra, dec = wcs.wcs.crval
    img_center = SkyCoord(ra=ra * u.degree, dec=dec * u.degree)
    wcs_foot = wcs.calc_footprint()
    img_corners = SkyCoord(ra=wcs_foot[:, 0] * u.degree,
                           dec=wcs_foot[:, 1] * u.degree)
    radius = img_center.separation(img_corners).max().value

    return radius