[Feature]: new method for saving results

[soulteary]

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Is your feature request related to a problem? Please describe.

hello maintainers 👋

I saw in the project that we can use the show method to display the results. But I didn't find a way to save these results.

towhee/towhee/functional/mixins/display.py

Lines 140 to 162 in 531b714

	def show(self, limit=5, header=None, tablefmt='html', formatter={}):
	"""
	Print the first n lines of a DataCollection.
	Args:
	limit (`int`):
	The number of lines to print. Default value is 5.
	Print all if limit is non-positive.
	header (list of `str`):
	The field names.
	tablefmt (`str`):
	The format of the output, support html, plain, grid.
	"""
	contents = [x for i, x in enumerate(self._iterable) if i < limit]
	if all(isinstance(x, Entity) for x in contents):
	header = tuple(contents[0].to_dict()) if not header else header
	data = [list(x.to_dict().values()) for x in contents]
	else:
	data = [[x] for x in contents]
	table_display(to_printable_table(data, header, tablefmt, formatter), tablefmt)

Are you considering adding a method that can make it easier for users to directly save the displayed results?

Perhaps the user can specify the type of files to save, the directory location, and whether to package the result through parameters.

Would love to hear other people's thoughts and suggestions.

Describe the solution you'd like.

No response

Describe an alternate solution.

No response

Anything else? (Additional Context)

No response

[reiase]

@soulteary We have just implemented a to_csv method, you can make a try.