new_contents: import numpy as np
  import matplotlib.pyplot as plt
  from scipy.stats import norm
  
  # Simple line graph of the density function of a standard normal.
  
  X = np.linspace(-3, 3, 500)
  density = norm.pdf(X, 0, 1)
  
  fig, ax = plt.subplots()
  ax.plot(X, density)
  plt.title("Gaussian pdf")
  plt.savefig("Gaussianpdf")
  plt.show()
  
subject: Create gaussPlotDemo.py