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,s=40, edgecolor='none',c=y_values,cmap=plt.cm.Blues)

# Set chart title and label axes.
plt.title("Square Numbers",fontsize=24)
plt.xlabel("Value",fontsize=14)
plt.ylabel("Square of Value",fontsize=14)

# Set size of tick lables.
plt.tick_params(axis='both',which='major',labelsize=14)

# Set the range for each axis.
plt.axis([0,1100,0,1100000])

plt.savefig('squares_plot.png',bbox_inches='tight')
