#!/usr/bin/python3
import matplotlib	#gia grafimmata me pio eukolo tropo
matplotlib.use('Agg') #Non interactive backend
import matplotlib.pyplot as plt
import numpy as np

def main():
	x=np.linspace(0,10,100)
	print(x.shape)
	y=x**2
	#z=3x+4
	plt.plot(x,y,'r-',linewidth=2) #Grammi kokkini eutheia paxous 2
	plt.xlabel('x')	#aksonas x
	plt.ylabel('y=x^2')	#aksona y
	plt.title('Quadratic function')		#etiketa
	plt.grid(True)			#plegma
	plt.savefig("graf1.png",dpi=300,transparent=True)	 #apo 18 kai pano grammatoseires
	#plt.show()#NONONONO
	#Me morfi pinaka
	#for i in range(x.shape[0]):
	#	print(x[i])

	#Me morfi listas
	#for el in x:
		#print(el)
if __name__=="__main__":
	main()