関連ワード:  matplotlib plot a line between two points    python plot a line between two points    python draw a line between two points    matplotlib plot 3d line between two points    matplotlib plot vertical line between two points    matplotlib plot remove line between two points    pyplot plot line between two points    matplotlib plot line from two points    matplotlib plot line between 2 points    python plot line between two points 3d  
結果 : matplotlib plot a line between two points