Convert pandas dataframe to list of tuples - ('Row', 'Column', Value)

Question

There are a few other questions regarding the same subject, but the format desired is different in all.

I am trying to build a heatmap visualization using holoviews

Answer 1

With iterators and list comprehention:

my_list = []
for row in df.iterrows():
    my_list.extend([(row[0], i, v) for i, v in row[1].iteritems()])