import plotly.express as px
df = px.data.iris()
fig = px.scatter(df, x="sepal_length", y="sepal_width", color="species",
labels={
"sepal_length": "Sepal Length (cm)",
"sepal_width": "Sepal Width (cm)",
"species": "Species of Iris"
},
title="Manually Specified Labels")
fig.show()