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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 drop_pathlist(self, pathlist):

 """Drop path list"""

        if pathlist:
            files = ["r'%s'" % path for path in pathlist]
            if len(files) == 1:
                text = files[0]
            else:
                text = "[" + ", ".join(files) + "]"
            if self.new_input_line:
                self.on_new_line()
            self.insert_text(text)
            self.setFocus()