#!/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)
	x=['A','B','C']
	y=[25, 20, 40]
	z=np.array(y)
	q=np.array(x,dtype='object')
	#plt.bar(x,z,color=['red','blue','green'])
	plt.pie(z,labels=q,autopct='%1.1f%%',explode=(0,0.1,0))
	plt.title('Pie Plot')
	plt.xlabel('Value')
	plt.ylabel('Freq')
	plt.savefig('fig4.png',dpi=300,transparent=True)
	
if __name__=="__main__":
	main()