标签: dot-plot

Let's say I have a df like this:

df = pd.DataFrame({'col1': list('aabbb'), 'col2': [1, 3, 1, 5, 3]})

  col1  col2
0    a     1
1    a     3
2    b     1
3    b     5
4    b     3

I would like to see a plot, where on the x axis, I have the col1 names ONCE, and on the y axis, the col2 data, as individual dots, so above 'a' I would have two dots at the height of 1 and 3, and …