How to remove gaps between bars in Matplotlib bar chart

Question

I\'m making a bar chart in Matplotlib with a call like this:

xs.bar(bar_lefts, bar_heights, facecolor=\'black\', edgecolor=\'black\')

I get

Answer 1

Add width=1.0 as a keyword argument to bar(). E.g.

xs.bar(bar_lefts, bar_heights, width=1.0, facecolor='black', edgecolor='black').

This will fill the bars gaps vertically.