In [20]:

    

import matplotlib.pyplot as plt
import csv
import sys
plt.plot(( 1,2,3,4))
plt.ylabel(u'Alguns Números')
plt.show()


    

In [31]:

    

entrada = csv.reader (open('banco.csv '), delimiter=',')


    

    




---------------------------------------------------------------------------
FileNotFoundError                         Traceback (most recent call last)
<ipython-input-31-b19f9fa9e71b> in <module>()
----> 1 entrada = csv.reader (open('banco.csv '), delimiter=',')

FileNotFoundError: [Errno 2] No such file or directory: 'banco.csv '

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