count1 = 0
count2 = 0
with open('text.txt', encoding='utf-8') as f:
    for line in f:
        words = line.split()
        count2 += len(words)
        for word in words:
            if not word.endswith(('.', ',')):
                count1 += 1
print("percentage is ", '{:.3f}'.format(count1 / count2 * 100), "%")