def add_elevation(self, delta):
        for track_segment in self.segments:
            track_segment.add_elevation(delta)
A testsuite that has all the lantz tests.
dataset/ETHPy150Open tkrajina/gpxpy/gpxpy/gpx.py/GPXTrack.add_elevation--crossover with--dataset/ETHPy150Open LabPy/lantz/lantz/testsuite/__init__.py/testsuite