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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 do_reload(self, args):
 		"""Reload a module in to the framework"""

		if args.module is not None:
			if args.module not in self.frmwk.modules:
				self.print_error('Invalid Module Selected.')
				return
			module = self.frmwk.modules[args.module]
		elif self.frmwk.current_module:
			module = self.frmwk.current_module
		else:
			self.print_error('Must \'use\' module first')
			return
		self.reload_module(module)