input: Write a python function to create a histogram from a given dataset using matplotlib.
  assert histogram([1, 2, 2, 3, 3, 3, 4, 4, 4, 4]) == None
  assert histogram([5, 5, 5, 5, 5, 5, 5, 5, 5]) == None
  assert histogram([10, 20, 30, 40, 50]) == None
output: import matplotlib.pyplot as plt
  
  def histogram(data):
      plt.hist(data, bins='auto', edgecolor='black')
      plt.title('Histogram')
      plt.xlabel('Value')
      plt.ylabel('Frequency')
      plt.show()