file_splitter.py

def main():
	path_to_source = "input.txt"
	output_directory = "output/"

	with open(path_to_source, 'r') as source:
		lines = source.readlines()
	
	for i, line in enumerate(lines):
		with open("{}file_{}.txt".format(output_directory, i), 'w+') as output:
			output.write(line)

if __name__ == '__main__':
	main()