input: def create_dashboard(data: dict) -> None:
      """ Create a data visualization dashboard using Matplotlib.
      The data is given as a dictionary with keys 'x' and 'y' representing the 
      respective axes data. The plot should be a line plot with green color, 
      marker set to 'o', line style as dashed, line width set to 2, and marker 
      size set to 12. The title of the plot should be "My Data Visualization 
      Dashboard", and labels for the x-axis and y-axis should be 'X-axis' and 
      'Y-axis' respectively.
      Example:
      create_dashboard({'x': [1,2,3,4,5], 'y': [10,25,30,50,80]})
      """
output:     import matplotlib.pyplot as plt
  
      x_data = data['x']
      y_data = data['y']
  
      plt.plot(x_data, y_data, color='green', marker='o', linestyle='--', linewidth=2, markersize=12)
      plt.title("My Data Visualization Dashboard")
      plt.xlabel("X-axis")
      plt.ylabel("Y-axis")
      plt.show()