input: import matplotlib.pyplot as plt
  
  def show_popular_languages(x_values, y_values):
      """Create a visualization using Matplotlib that displays the top 5 most popular programming languages.
      >>> show_popular_languages(["Python", "Java", "C++", "Javascript", "C#"], [45, 25, 15, 10, 5])
      """
      plt.bar(x_values, y_values)
      plt.title("Popular Programming Languages")
      plt.ylabel("Percentage of Use")
      plt.xlabel("Languages")
      plt.show()
output:     plt.bar(x_values, y_values)
      plt.title("Popular Programming Languages")
      plt.ylabel("Percentage of Use")
      plt.xlabel("Languages")
      plt.show()