input: Write a python function to create a bar chart using matplotlib with given data points.
  assert create_bar_chart([1, 2, 3, 4, 5]) == None
  assert create_bar_chart([10, 20, 30, 40, 50]) == None
  assert create_bar_chart([5, 15, 25, 35, 45]) == None
output: def create_bar_chart(data_points):
      import matplotlib.pyplot as plt
  
      # X-axis values
      x = range(len(data_points))
  
      # Creating the bar chart
      plt.bar(x, data_points)
  
      # Adding labels
      plt.xlabel('Categories')
      plt.ylabel('Values')
      plt.title('Bar Chart')
  
      # Displaying the chart
      plt.show()