input: from typing import List
  
  def create_data_viz_dashboard(x: List[int], y: List[int]) -> None:
      """ Create a data visualization dashboard in Python using Matplotlib, given lists of x and y coordinates.
      >>> create_data_viz_dashboard([1, 2, 3, 4, 5], [10, 25, 30, 50, 80])
      Displays a plot titled "My Data Visualization Dashboard" with x-axis labeled 'X-axis' and y-axis labeled 'Y-axis',
      showing green dashed lines with circles as markers connecting the points (1,10), (2,25), (3,30), (4,50), (5,80).
      """
output:     import matplotlib.pyplot as plt
  
      plt.figure()
      plt.plot(x, y, 'go--', marker='o')
      plt.title("My Data Visualization Dashboard")
      plt.xlabel('X-axis')
      plt.ylabel('Y-axis')
      plt.show()