(https://matplotlib.org/ code example

Example 1: python matplotlib

from matplotlib import pyplot as plt

# Median Developer Salaries by Age
dev_x = [25, 26, 27, 28, 29, 30, 31, 32, 33, 34, 35]

dev_y = [38496, 42000, 46752, 49320, 53200,
         56000, 62316, 64928, 67317, 68748, 73752]

plt.plot(dev_x, dev_y)
plt.xlabel('Ages')
plt.ylabel('Median Salary (USD)')
plt.title('Median Salary (USD) by Age')
plt.show()

#Basic line graph using python module matplotlib

Example 2: matplotlib

# importing matplotlib module
 from matplotlib import pyplot as plt
  
# Plotting to our canvas  
 plt.plot([1,2,3],[4,5,1])
  
# Showing what we plotted 
 plt.show()