Create a chapter
        that contains a random number
        of paragraphs

def write_chapter(self):
        """
        Create a chapter
        that contains a random number
        of paragraphs
        """
        self.paragraphs = []
        self.paragraphs.append('\n')
        for x in range(randint(0, 50)):
            p = Paragraph(self.model)
            self.paragraphs.append(p.get_paragraph())
            self.paragraphs.append('\n')
        return self.paragraphs