input: 
  def display_popular_languages(x_values: List[str], y_values: List[int]):
      """ Display a bar chart using Matplotlib to visualize the top 5 most popular 
      programming languages based on the provided x and y values.
      >>> display_popular_languages(["Python", "Java", "C++", "Javascript", "C#"], [45, 25, 15, 10, 5])
      """
  
output:     import matplotlib.pyplot as plt
  
      plt.bar(x_values, y_values)
      plt.xlabel('Programming Languages')
      plt.ylabel('Popularity')
      plt.title('Top 5 Most Popular Programming Languages')
      plt.show()