In [4]:
import matplotlib.pyplot as plt
import numpy as np
t = np.arange(0.0,2.0,0.01)
s = np.sin(2*np.pi*t)
plt.plot(t,s)
plt.xlabel('time (s)')
plt.ylabel('voltage (mV)')
plt.title("hello world")
plt.grid(True)
plt.show()
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