##import matplotlib
import numpy
import pylab

data = [(4.9,'2011/03/12 23:57:34'),
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(4.7,'2011/03/09 01:30:27')]

ydata = []

for t in data:
	ydata.append(t[0])

pylab.plot(ydata)
pylab.title('Earthquake Magnitude in Japan from 3/9-3/12')
pylab.xlabel('Time')
pylab.ylabel('Magnitude')
pylab.show()