# View more python tutorials on my Youtube and Youku channel!!!
# Youtube video tutorial: https://www.youtube.com/channel/UCdyjiB5H8Pu7aDTNVXTTpcg
# Youku video tutorial: http://i.youku.com/pythontutorial
# 3 - simple plot
"""
Please note, this script is for python3+.
If you are using python2+, please modify it accordingly.
"""
import matplotlib.pyplot as plt
import numpy as np
x = np.linspace(-1, 1, 50)
y = 2*x + 1
# y = x**2
plt.plot(x, y)
plt.show()