old_contents: #!/usr/bin/env python
  import matplotlib.pyplot as plt
  
  
  class ComparisonPlotter:
      def __init__(self, data_list):
          self.fig_part_0, self.plots_part_0 = plt.subplots(1, 1)
          self.fig_part_1, self.plots_part_1 = plt.subplots(2, 1, sharex=True)
          self.fig_part_2, self.plots_part_2 = plt.subplots(2, 1, sharex=True)
          self.fig_part_3, self.plots_part_3 = plt.subplots(2, 1, sharex=True)
  
      def plot_comparison(self):
          pass
  
new_contents: #!/usr/bin/env python
  import matplotlib.pyplot as plt
  
  
  class ComparisonPlotter:
      def __init__(self, data_list):
          self.trajectory_fig, self.trajectory_plot = plt.subplots(1, 1)
          self.position_fig, self.position_plot = plt.subplots(2, 1, sharex=True)
          self.position_error_fig, self.position_error_plot = plt.subplots(2, 1, sharex=True)
          self.control_action_fig, self.control_action_plot = plt.subplots(2, 1, sharex=True)
  
      def plot_comparison(self):
          plt.show()
  
  if __name__ == '__main__':
      ComparisonPlotter([]).plot_comparison()
  
subject: Rename figs and plots