input: 
  import matplotlib
  import matplotlib.pyplot as plt
  
  def generate_data_visualization(x, y, dashboard_title, x_label, y_label, fig_size=(10,6), color='green', marker='o', linestyle='dashed', linewidth=2, markersize=12):
      """Generates a data visualization dashboard using Matplotlib.
      >>> generate_data_visualization([1, 2, 3, 4, 5], [10, 25, 30, 50, 80], "My Data Visualization Dashboard", "X-axis", "Y-axis")
      """
      # Create the figure and set the size
      fig = plt.figure(figsize=fig_size)
  
      # Configure the plot
      plt.plot(x, y, color=color, marker=marker, linestyle=linestyle, linewidth=linewidth, markersize=markersize)
      plt.title(dashboard_title)
      plt.xlabel(x_label)
      plt.ylabel(y_label)
  
      # Show the plot
      plt.show()
  
output:     # Save the figure to a file
      fig.savefig("data_visualization.png")