#!/usr/bin/python3
import matplotlib
matplotlib.use('Agg')
import matplotlib.pyplot as plt
import numpy as np
def main():
#	x=np.random.rand(50)
	x=np.random.normal(0,1,1000) 
	plt.hist(x,bins=30,edgecolor='black')
	plt.title('Histogram Plot')
	plt.xlabel('Value')
	plt.ylabel('Freq')
	plt.savefig('fig3.png', dpi=300, transparent=True)

if __name__=="__main__":
	main()