input: Write a function to visualize the top 5 most popular programming languages using Matplotlib. The function should take two lists as input: one for the language names (x_values) and one for their corresponding percentages (y_values). The function should create a bar chart, display a title, and label the axes.
  
  assert visualize_languages(["Python", "Java", "C++", "Javascript", "C#"], [45, 25, 15, 10, 5])==None
output: def visualize_languages(x_values, y_values):
      import matplotlib.pyplot as plt
      plt.bar(x_values, y_values)
      plt.title("Top 5 Most Popular Programming Languages")
      plt.xlabel("Languages")
      plt.ylabel("Percentage")
      plt.show()