Hide legend in plotly express in Python?

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In this article, we will discuss how to hide legend in plotly express using Python.

Dataset in use: bestsellers4

The legend appears by default when variation in one object has to be depicted with reference to the other. Legend makes it easier to read a graph since it contains descriptions for the color code or keys used.

Creating a regular plot so that the difference can be apparent

Here we are going to create a scatter plot using dataframe. For this, we will create dataframe from a given dataset.

Python3

# import libraries 
import plotly.express as px 
import pandas as pd 
  
# read dataset 
data = pd.read_csv("bestsellers.csv") 
  
fig = px.scatter(data, x="Year", y="Price",  
                 color="Genre") 
  
fig.show() 

Output:

Hide legend in plotly express

Now, to hide the legend, update_layout() function is called with showlegend argument set to false. This simple statement is enough to get the job done.

Syntax:

update_layout(showlegend=false)

Python3

# import libraries 
import plotly.express as px 
import pandas as pd 
  
# read dataset 
data = pd.read_csv("bestsellers.csv") 
  
fig = px.scatter(data, x="Year", y="Price", 
                 color="Genre") 
fig.update_layout(showlegend = False) 
  
fig.show() 