I need to export my DataFrame to Excel. Everything is good but I need two "rows" of headers in my output file. That mean I need two columns headers. I don't know how to export it and make double headers in DataFrame. My DataFrame is created with dictionary but I need to add extra header above. I tried few dumb things but nothing gave me a good result. I want to have on first level header for every three columns and on second level header for each column. They must be different. I expect output with two headers above columns. Continue reading...
