code: def find_candidate_splays(splays, azm, inc, delta=LRUD_DELTA):
      
      return [splay for splay in splays
              if
              angle_delta(splay['AZM'], azm) <= delta/2
              and
              angle_delta(splay['INC'], inc) <= delta/2
              ]
docs: Given a list of splay shots, find candidate LEFT or RIGHT given target AZM and INC