Populate plotly.graph_objects.Figure['layout']

fig_layout.py

fig['layout'] = go.Layout(
  font = {'size' : 14},
  plot_bgcolor = 'white',
  xaxis = {'showline': True,
           'visible': True,
           'range': (0, data['Value'].max()),
           'title_text': 'Production Quantity (tonnes)' # title of the x axis
          },
  yaxis = {'showline': False, 
          'visible': True, # to show the title
           'showticklabels': False, # to avoid displaying the names
          'title_text': 'Top ' + str(top_entries) + ' Crops'}, # title of the y axis
  bargap = 0.15, # number btwn 0 and 1, sets gap between adjacent bars (as plot fraction)
  title = 'Top 10 Crops across time' # sets title for default plot
)