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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 add_content(self, more_content):
 """Add content from source docs and user."""

        sourcename = self.get_sourcename()

        if self.object.docs:
            self.add_line('', sourcename)
            for line in self.object.docs.splitlines():
                self.add_line(line, sourcename)

        # add additional content (e.g. from document), if present
        if more_content:
            self.add_line('', sourcename)
            for line, src in zip(more_content.data, more_content.items):
                self.add_line(line, src[0], src[1])