环境: python 3.7 可用配色: ['Accent','Accent_r','Blues','Blues_r','BrBG','BrBG_r','BuGn','BuGn_r','BuPu','BuPu_r','CMRmap','CMRmap_r',\ 'Dark2','Dark2_r','GnBu','GnBu_r','Greens','Greens_r','Greys','Greys_r','OrRd','OrRd_r','Oranges','Oranges_r',\ 'PRGn','PRGn_r','Paired','Paired_r','Pastel1','Pastel1_r'