input: from typing import List
  
  def create_popular_languages_bar_chart(x_values: List[str], y_values: List[float]) -> None:
      """
      Create a bar chart using Matplotlib to visualize the top 5 most popular programming languages.
      
      >>> create_popular_languages_bar_chart(["Python", "Java", "C++", "Javascript", "C#"], [45, 25, 15, 10, 5])
      True
      """
      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:     return True