Create Line Plot With Grid

Create a line plot with the given data and expected markers. Add a grid that matches the one in the image.
Expected:
matplotlib expected figure
Output:
import matplotlib.pyplot as plt import numpy as np np.random.seed(4) x = np.arange(20) y = np.cumsum(np.random.randint(-10,10,(20))) ############## add code here ###############
############################################ plt.show()
Python
Setting up Python environment...
Output