save_descriptions

# save descriptions to file, one per line
def save_descriptions(descriptions, filename):
	lines = list()
	for key, desc_list in descriptions.items():
		for desc in desc_list:
			lines.append(key + ' ' + desc)
	data = '\n'.join(lines)
	file = open(filename, 'w')
	file.write(data)
	file.close()

# save descriptions
save_descriptions(descriptions, 'descriptions.txt')