input: Write a python function to plot a bar chart of programming languages and their usage percentages.
  assert plot_language_usage(["Python", "Java", "C++", "Javascript", "C#"], [45, 25, 15, 10, 5]) is None
  assert plot_language_usage(["Ruby", "Go", "Swift"], [10, 20, 30]) is None
output: def plot_language_usage(languages, usage_percentages):
      import matplotlib.pyplot as plt
  
      plt.bar(languages, usage_percentages, color='skyblue')
      plt.xlabel('Programming Languages')
      plt.ylabel('Usage Percentage')
      plt.title('Programming Languages Usage Percentage')
      plt.show()