import matplotlib.pyplot as plt

x = [1, 2, 1.5, 4, 5]
y = [10,11,13,18,20]

plt.scatter(x, y)
plt.xlabel('X')
plt.ylabel('Y')
plt.title('Scatter Plot')
plt.show()

import matplotlib.pyplot as plt

x1 = [1, 2, 3, 4, 5]
y1 = [2, 3, 5, 7, 11]
x2 = [1, 2, 3, 4, 5]
y2 = [1, 4, 6, 8, 10]
x3 = [1, 2, 3, 4, 5]
y3 = [3, 5, 7, 9, 12]
plt.scatter(x1, y1, label='Series 1', color='r', marker='o')
plt.scatter(x2, y2, label='Series 2', color='g', marker='x')
plt.scatter(x3, y3, label='Series 3', color='b', marker='s')
plt.title('Scatter Plot with Multiple Series')
plt.xlabel('X-axis')
plt.ylabel('Y-axis')
plt.legend()
plt.show()