Expected:
Output:
import matplotlib.pyplot as plt
import numpy as np
x = [3.5,5.5,2.8,3.1,3.6,4,4.5,5,5.4,5.9,6.2,4.5]
y = [5.2,5.2,3,2.5,1.9,1.5,1.4,1.5,1.9,2.5,3,4]
sizes = [850,850,50,50,50,50,50,50,50,50,50,50000]
############## add code here ###############
plt.scatter(x, y, alpha = 0.5)
############################################
plt.title('Smiley')
plt.xticks(np.arange(1,9))
plt.yticks(np.arange(9))
plt.show()
Python
Setting up Python environment... Output