input: from typing import List
  
  def plot_popular_languages(x_values: List[str], y_values: List[int]) -> None:
      """ Create a bar chart visualization in Python using Matplotlib that displays
      the top 5 most popular programming languages. Each language is represented
      by a string in x_values and its corresponding popularity percentage is
      represented by an integer in y_values.
      
      >>> plot_popular_languages(["Python", "Java", "C++", "Javascript", "C#"], [45, 25, 15, 10, 5])
      # This should produce a bar chart titled "Popular Programming Languages" with 
      # x-axis labeled "Languages" and y-axis labeled "Percentage of Use".
      """
output:     import matplotlib.pyplot as plt
  
      plt.figure(figsize=(10, 6))
      plt.bar(x_values, y_values, color='skyblue')
      plt.title("Popular Programming Languages")
      plt.xlabel("Languages")
      plt.ylabel("Percentage of Use")
      plt.show()