title: How to convert grouped bar chart from vertical to horizontal
body: <p>How can this vertical grouped bar chart be changed to a horizontal bar chart (grouped, and stacked)? I need help to alter the code such that the bars are displayed horizontally instead of vertically.</p>
  <pre><code>import matplotlib.pyplot as plt
  import numpy as np
  
  N = 9
  labels = ['L', 'S', 'S', 'M', 'W', 'W', 'S', 'R', 'C']    
  M_means = [1, 45, 28, 11, 4, 7, 1, 0.02, 0.3]
  PO_means = [3, 58, 17, 8, 3, 8, 1, 0.06, 1]
  K_means = [1, 44, 30, 11, 3, 7, 1, 0.01, 0.5]
  
  x = np.arange(len(labels))  # the label locations
  width = 0.30  # the width of the bars
  
  fig, ax = plt.subplots(figsize=(15, 9))
  rects1 = ax.bar(x - width, M_means, width, label='M S and K', color=('#b02a2a'))
  rects2 = ax.bar(x, PO_means, width, label='P O S and K', color=('#055cad'))
  rects3 = ax.bar(x + width, K_means, width, label='M K', color=('#0b7d53'))
  
  # Add some text for labels, title and custom x-axis tick labels, etc.
  ax.set_ylabel('% of workday', fontsize=32)
  #ax.set_title('Scores by group and gender')
  ax.set_xticks(x) 
  ax.set_xticklabels(labels, fontsize=32, rotation=15) 
  ax.legend(loc='upper right', frameon=False, fontsize=32, markerscale=2)
  
  ax.bar_label(rects1, size = 32, padding=20, rotation=90) 
  ax.bar_label(rects2, size = 32,  padding=20, rotation=90) 
  ax.bar_label(rects3, size = 32,  padding=20, rotation=90)
  plt.xticks(ha='center') 
  for tick in ax.xaxis.get_major_ticks():
      tick.label.set_fontsize(32) 
  for tick in ax.yaxis.get_major_ticks():
      tick.label.set_fontsize(32) 
  plt.ylim(0, 100) 
  plt.gca().spines['right'].set_color('none')
  plt.gca().spines['top'].set_color('none')
  #fig.tight_layout()
  plt.show()
  </code></pre>
  <p><a href="https://i.stack.imgur.com/UcTHX.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/UcTHX.png" alt="enter image description here" /></a></p>