text: from mpl_toolkits.mplot3d import Axes3D
  import matplotlib.pyplot as plt
  import numpy as np
  
  
  fig = plt.figure()
  ax = Axes3D(fig)
  
  x = [0, 1, 2, 3, 4, 5, 6]
  for i in x:
      y = [0, 1, 2, 3, 4, 5, 6, 7, 8, 9]
      z = abs(np.random.normal(1, 10, 10))
      ax.bar(y, z, i, zdir="y", color=["r", "g", "b", "y"])
  
  plt.show()
  