関連ワード:  two histograms in one plot matplotlib    multiple histograms in one plot matplotlib    two histograms in one plot python    multiple histograms in one plot python    multiple histograms in one plot python seaborn    plot two histograms in same figure matplotlib    plot two histograms in same figure python    plot multiple histograms in one figure python    plot two histograms in same figure python seaborn    density plot vs histogram  
結果 : two histograms in one plot matplotlib