input: from typing import List
  
  def generate_data_visualization_dashboard(x_values: List[int], y_values: List[int]) -> None:
      """ Create a Matplotlib-based data visualization dashboard using the provided x and y values.
      The function will generate a plot with the given data points, styled with a green dashed line
      and circular markers. The plot will include a title and axis labels.
      >>> generate_data_visualization_dashboard([1,2,3,4,5], [10,25,30,50,80])
      # Output: A displayed Matplotlib plot with x-axis values [1,2,3,4,5], y-axis values [10,25,30,50,80], 
                and a title 'My Data Visualization Dashboard'.
      """
output:     import matplotlib.pyplot as plt
  
      plt.plot(x_values, y_values, 'go--')
      plt.title('My Data Visualization Dashboard')
      plt.xlabel('X-axis')
      plt.ylabel('Y-axis')
      plt.show()