input: 
  from typing import List
  
  
  def visualize_top_languages(x_values: List[str], y_values: List[int]) -> None:
      """ 
      Create a visualization in Python using Matplotlib that displays the top 5 most popular 
      programming languages. 
      >>> x_values = ["Python", "Java", "C++", "Javascript", "C#"]
      >>> y_values = [45, 25, 15, 10, 5]
      >>> visualize_top_languages(x_values, y_values)
      # Displays a bar chart with x_values as the languages and y_values as their percentages.
      # The chart has the title "Popular Programming Languages" and labels for the x and y axes.
      """
      import matplotlib.pyplot as plt
  
      plt.bar(x_values, y_values)
  
      plt.title("Popular Programming Languages")
      plt.ylabel("Percentage of Use")
      plt.xlabel("Languages")
  
      plt.show()
  
output:     import matplotlib.pyplot as plt
  
      plt.bar(x_values, y_values)
  
      plt.title("Popular Programming Languages")
      plt.ylabel("Percentage of Use")
      plt.xlabel("Languages")
  
      plt.show()