input: Write a function to plot a line chart using matplotlib with given x and y values.
  assert plot_line_chart([1, 2, 3, 4, 5], [2, 4, 6, 8, 10])==None
  assert plot_line_chart([10, 20, 30], [15, 25, 35])==None
  assert plot_line_chart([0, 2, 4], [1, 3, 5])==None
output: def plot_line_chart(x, y):
      import matplotlib.pyplot as plt
  
      plt.plot(x, y)
      plt.xlabel('X values')
      plt.ylabel('Y values')
      plt.title('Line Chart')
      plt.grid(True)
      plt.show()