# -*- coding: utf-8 -*-
import numpy as np
import matplotlib.pyplot as plt

# make data
x=np.arange(0,6,0.1)
y1=np.sin(x)
y2=np.cos(x)

#plot
plt.plot(x,y1,label="sin")
plt.plot(x,y2,linestyle="--",label="cos")
plt.xlabel("x")
plt.ylabel("y")
plt.title('sin and cos')
plt.legend()
plt.show()
