How to use .copy() and .copy_data() function in Odoo15

duplicate_records_on_button_click_odoo.py

class your_model(models.Model):
	_name = "your.model"

	def copy_data(self, default=None):
		defaults = super().copy_data(default=default)
		if 'from_duplicate' in self.env.context and self.env.context.get('from_duplicate'):
			return [{k: v for k, v in default.items()} for default in defaults]
		else:
			return [{k: v for k, v in default.items() if k in self.SELF_READABLE_FIELDS} for default in defaults]


	def btn_duplicate(self):
		self.ensure_one()

		# magic code
		duplicate_rec = self.copy()

		# if the above code not work than use below code
		values = self.with_context({'from_duplicate':True}).copy_data()[0]
		# you can set the default values
		values['field_1'] = self.xyz
		values['field_2'] = '/'
		self.create(values)
        
        
        

How to duplicate records using the copy and copy_data function