how to plot histogram of 3 values in python code example

Example: plot histogram python

import matplotlib.pyplot as plt	
  	data = [1.7,1.8,2.0,2.2,2.2,2.3,2.4,2.5,2.5,2.5,2.6,2.6,2.8,
    2.9,3.0,3.1,3.1,3.2,3.3,3.5,3.6,3.7,4.1,4.1,4.2,4.3]
  	plt.hist(data)
    plt.title('Histogram of Data')
    plt.xlabel('data')
    plt.ylabel('count')