# ========================================================= # # From: www.youtube.com/watch?v=N9fDIAflCMY # ========================================================= import numpy as np import matplotlib.pyplot as plt # --- number of greyhounds and labs in the population greyhounds = 500 labs = 500 # --- create random heights grey_height = 28 + 4 * np.random.randn(greyhounds) lab_height = 24 + 4 * np.random.randn(labs) plt.hist([grey_height, lab_height], stacked=True, color=['r','b']) plt.show()