title: Plotly: How to set marker symbol shapes for multiple traces using plotly express?
body: <p>I have been trying to change the marker shape in plotly scatter plot but I can't seem to find the correct options. The plotly document goes over the size and opacity, but not the marker shape. Here's my sample code-</p>
  <pre><code>
  import pandas as pd
  import plotly.express as px
  
  d = {'Date': ['01/01/1990','01/01/1990','01/01/1990','01/01/1990',
               '01/01/2000','01/01/2000','01/01/2000','01/01/2000',
               '01/01/2010','01/01/2010','01/01/2010','01/01/2010',
               '01/01/2020','01/01/2020','01/01/2020','01/01/2020'
               ]}
  df = pd.DataFrame(data=d)
  
  df['Metric1']=[100, 110, 120, 130,
   200, 210, 220, 230,
   300, 310, 320, 330,
   400, 410, 420, 430]
  df['Marker']=[1,2,3,4,1,2,3,4,1,2,3,4,1,2,3,4]
  df['Color']=['a', 'b', 'c', 'd',
   'a', 'b', 'c', 'd',
   'a', 'b', 'c', 'd',
   'a', 'b', 'c', 'd']
  fig = px.scatter(df, x='Date', y='Metric1', color = 'Color', hover_data = [&quot;Color&quot;, &quot;Marker&quot;])
  fig.show()
  </code></pre>
  <p>Is it possible to implement what I am trying to do with Plotly scatter plot?I tried the follow the discussion in this forum- <a href="https://community.plotly.com/t/getting-different-markers-shapes/9944" rel="nofollow noreferrer">https://community.plotly.com/t/getting-different-markers-shapes/9944</a>
  But I am having a difficult time relating it to my problem
  I am using Python 3.8 and Plotly 4.11.0</p>