python - xlsxwriter chart with multiple categories -


my excel chart has 2 index columns: 'month' , 'year'. how can combine them in python code below achieve graph looks 1 below? specific, how specify multiple categories?

chart.add_series({     'categories': .............,     'values': ['sheet 1', 0, 1, 10, 1] })

excel graph want achieve

i tried:

chart.add_series({     'categories': [['sheet1', 0, 0, 10, 0], ['sheet1', 0, 1, 10, 1]]     'values': ['sheet1', 0, 2, 10, 2] })

xlsxwriter supports clustered charts this. see example docs.

enter image description here

the main trick work specify categories 2d ranges (from column column b). creates clusters.


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