input_counter.py

"""Create a list of words from a line of input"""

words = set()
words_dict = {}

while True:
	text = input("Enter a sentence: ")
	if not text:
		print("Finished")
		break
	textwords = text.lower().split()
	for word in textwords:
		if word not in words:
			words.add(word)
			count = len(words)
			words_dict[word] = count
	for k, v in words_dict.items():
		print (k, v)