import matplotlib.pyplot as plt
x_values = list(range(1,1001))
y_values = [x**2 for x in x_values]


plt.scatter(x_values,y_values,c=y_values,cmap=plt.cm.Blues,edgecolors='none',s=40)
plt.title("Square Numbers", fontsize=24)
plt.xlabel("Value", fontsize=14)
plt.ylabel("Square of Value", fontsize=14)
plt.tick_params(axis='both',which = 'major',labelsize=14)
plt.axis([0,1100,0,1100000])
plt.savefig("first.png",bbox_inches='tight')
plt.show()