Matplotlib is written in Python and makes use of code example

Example: matplotlib

# importing matplotlib module  
from matplotlib import pyplot as plt 
  
# x-axis values 
x = [5, 2, 9, 4, 7] 
  
# Y-axis values 
y = [10, 5, 8, 4, 2] 
  
# Function to plot scatter 
plt.scatter(x, y) 
  
# function to show the plot 
plt.show()