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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def encode1(self):
 """Return the base64 encoding of the figure file and insert in html image tag."""

        data_uri = b64encode(open(self.path, 'rb').read()).decode('utf-8').replace('\n', '')
        return '<img src="data:image/png;base64,{0}">'.format(data_uri)