input: from typing import List
  
  def create_data_visualization(x: List[float], y: List[float]) -> None:
      """Create a data visualization dashboard using Matplotlib, given x and y coordinates.
      >>> create_data_visualization([1, 2, 3, 4, 5], [10, 25, 30, 50, 80])
      # Output will be a plot with title "My Data Visualization Dashboard" and x-y labels
      """
output:     import matplotlib.pyplot as plt
  
      plt.figure(figsize=(10, 6))
      plt.plot(x, y, marker='o', linestyle='-', color='b')
      plt.title("My Data Visualization Dashboard")
      plt.xlabel("X-axis")
      plt.ylabel("Y-axis")
      plt.grid(True)
      plt.show()