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Stacked bar chart in matplotlib without hardcoding the fields

I am trying to create a simple stacked bar chart using this data using ONLY matplotlib, pandas and numpy:
x-axis: Month
Labels: activity type
Height: distance
The examples I see, loop over the x-axis, but labels are always hard coded.
Can we loop over everything? In other words, can I create a chart without modifying this table:
No group by or pivot, just use the table as is and get the chart using matplotlib, pandas and numpy only (learning those at the moment)

Plotting a grouped stacked bar chart

I am trying to create a grouped, stacked bar chart. I was able to do it in excel and this image shows what I am trying to create but I want to do it through Python. I have all the data in a pandas data frame that is able to create separate stacked bar charts but I cannot get the grouping as seen in excel.
Excel Formatting:

If you could do it in Excel with easy then I strongly suggest you to do it with Excel. Unless you have other requirements.
There are many libraries you can use to create this type of plot: matplotlib, seaborn, or plotly. The one I use most is plotly. You can see the list of sample figures of plotly here: https://plotly.com/python/
Or you can join plotly community, there are many pros there might help with figure. I find there is few pros on figures in stackoverflow to plotly community: https://community.plotly.com/

How to delete a plot from chart space in pptx python?

I'd like to delete plot that is in the chart space. Does any one know how to do that with pptx python? Since there's option to delete plots in powerpoint GUI. Is there any way I can do that with python pptx?
I have four charts in a slide and I want to first store the shapes of plots and then delete the plots inside of the charts.

Reading the docs I found this paragraph that shows in more detail how plots work:
A plot is like a sub-chart, containing one or more series and drawn as
a particular chart type, like column or line. This distinction is
needed for charts that combine more than one type, like a line chart
appearing on top of a column chart. A chart like this would have two
plot objects, one for the series appearing as columns and the other
for the lines. Most charts only have a single plot and python-pptx
doesn’t yet support creating multi-plot charts, but you can access
multiple plots on a chart that already has them.
From your question I assume that you want to delete the plot to replace it with a new one. I suggest that you delete the series inside the existing plot and add to it the new series you need.

Footprint Style Stacked Bar Chart Using Matplotlib

I want to create a chart like the one given below. how can I achieve something like that in matplotlib.
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How to create a histogram chart in excel using xlsxwriter?

I am trying to create histograms in multiple sheets of an excel workbook. I can very easily crate chart using pandas or matplotlib libraries and show it in python output window. However I would like to plot the histogram chart in excel. I am using office 360. Is there a way to do so?

You can create a histogram chart with XlsxWriter using an Excel "Column" chart type: Column chart example
See also the Working with Charts section of the XlsxWriter docs.