関連ワード:  matplotlib plot two lines in one graph    python plot multiple lines in one graph    python plot two lines in same graph    matplotlib plot multiple lines in one figure    python plot two lines in one figure    python plot multiple lines in one figure    matplotlib plot multiple lines on one graph    python plot multiple line graphs in one figure    matplotlib plot multiple lines on same graph    pyplot plot multiple lines on same graph  
結果 : matplotlib plot two lines in one graph