from matplotlib import pyplot as plt
import numpy as np
import math
x=np.arange(0, math.pi*2, 0.05)


y=np.sin(x)
fig=plt.figure()
ax=fig.add_axes([0,0,1,1])
ax.plot(x,y)
ax.set_title("sine wave")
ax.set_xlabel('angle')
ax.set_ylabel('sine')
plt.show()
