new_contents: import praw
  import praw.helpers
  import matplotlib.pyplot as plt
  import argparse
  
  parser = argparse.ArgumentParser(description='Plot karma distributions of comments in a post')
  parser.add_argument('--link', dest='link', required=True, help='Link of the post')
  parser.add_argument('--expand_more_comments', dest='expand_more_comments', action='store_true', default=False, help='Link of the post')
  args = parser.parse_args()
  
  
  def plot_karma(karma):
      # the histogram of the data
      n, bins, patches = plt.hist(karma, 100, facecolor='green', alpha=0.75)
  
      plt.xlabel('Karma')
      plt.ylabel('Post count')
      plt.gca().set_yscale('log')
      plt.grid(True)
  
      plt.show()
  
  
  def get_every_comments_karma(r, submission_link, expand_more_comments):
      submission = praw.objects.Submission.from_url(r, submission_link, comment_limit=None)
      if expand_more_comments:
          submission.replace_more_comments(limit=None, threshold=0)
      return [(comment.score if 'score' in dir(comment) else 0) for comment in praw.helpers.flatten_tree(submission.comments)]
  
  r = praw.Reddit(user_agent='karma distribution a sub by /u/godlikesme')
  karma = get_every_comments_karma(r, args.link, args.expand_more_comments)
  plot_karma(karma)
  
subject: Add script for plotting karma distribution in a post