input: Write a function to generate a histogram in Python using the provided data. The function should plot the histogram with specified bins and labels. If the data is empty, the function should return None.
  assert generate_histogram([3, 5, 7, 2, 8, 10, 11, 65, 72, 81, 99, 100, 150])==None
  assert generate_histogram([])==None
output: def generate_histogram(data):
      if not data:
          return None
      plt.hist(data, bins=10, color='blue', edgecolor='black')
      plt.xlabel('Value')
      plt.ylabel('Frequency')
      plt.title('Histogram')
      plt.show()