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%matplotlib inline

import matplotlib.pyplot as plt
import numpy as np
from IPython import display

x = np.linspace(0, 6*np.pi, 100)
y = np.sin(x)

fig = plt.figure()
ax = fig.add_subplot(111)
line1, = ax.plot(x, y, 'r-') # Returns a tuple of line objects, thus the comma

for phase in np.linspace(0, 10*np.pi, 500):
    line1.set_ydata(np.sin(x + phase))
    display.clear_output(wait=True)
    display.display(plt.gcf())


    

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