code: def log(self, point, base_point=None):
      if base_point is None:
          base_point = self.identity
  
      return point - base_point
  
imports: from geomstats.geometry.euclidean import Euclidean
label_desc: Use image node_id 2 for calling the EuclideanGroup obj's underlying member method code with example usage: obj.log(point, base_point) and returns: unknown