* plotly란? : 파이썬으로 시각화를 할 수 있는 그래픽 라이브러리 * plotly 공식문서 : https://plotly.com/python-api-reference/generated/plotly.graph_objects.Figure.html plotly.graph_objects.Figure — 5.18.0 documentation ’carpet’, ‘choropleth’, ‘choroplethmapbox’, ‘cone’, ‘contour’, ‘contourcarpet’, ‘densitymapbox’, ‘funnel’, ‘funnelarea’, ‘heatmap’, ‘heatmapgl’, ‘histogram’, ‘histogram2d’, ‘histogram2dcontour’, ‘ic plotly.c..