scatter plot - need scatterplot using different colors for the each points in the same group with the same marker using python and data in excel sheet(csv format)

Question

[I want the graph to be similar to the attached png file and the data is attached as well.][]

fig = plt.figure()
ax1 = fig.add_subplot(111)[enter image description here][1]
plt.scatter(sample_data.ORI_PL,sample_data.ORI_ML,marker="o",c='gray')
plt.scatter(sample_data.ORILOWER_PL,sample_data.ORILOWER_ML,marker="+", c='b'   )
plt.scatter(sample_data.ORIHIGH_PL, sample_data.ORIHIGH_ML, marker ="_", c='r'  )
#palette['BLUE','YELLOW','GREEN','RED','ORANGE']
plt.xlabel("Physical Luminance")
plt.ylabel("Matched Luminance")
plt.show()

Answer 1

等待大神解答