input: Write a python function to create a pie chart with given labels and sizes using matplotlib.
  assert create_pie_chart(['A', 'B', 'C'], [10, 20, 70]) == None
  assert create_pie_chart(['X', 'Y', 'Z'], [30, 30, 40]) == None
  assert create_pie_chart(['Red', 'Green', 'Blue'], [25, 25, 50]) == None
output: def create_pie_chart(labels, sizes):
      import matplotlib.pyplot as plt
      
      plt.pie(sizes, labels=labels, autopct='%1.1f%%', startangle=140)
      plt.axis('equal')  # Equal aspect ratio ensures that pie is drawn as a circle.
      plt.show()