code: def Burr(c, k, tag=None):
      
      assert c > 0 and k > 0, 'Burr "c" and "k" parameters must be greater than zero'
      return uv(ss.burr(c, k), tag=tag)
docs: A Burr random variate
      
      Parameters
      ----------
      c : scalar
          The first shape parameter
      k : scalar
          The second shape parameter