تحديات برمجيةالتحدي الثالث - حل التمرين الثالث بلغة بايثون

def print_words_occurrence(s):

    if not s:
        return

    words = str.split(s, ' ')

    for i in range(0, len(words)):

        counter = 1

        for j in range(i + 1, len(words)):

            if words[i] == words[j]:
                counter += 1
                words[j] = ''

        if words[i] != '':
            print('[' + str(counter) + '] ' + words[i])


text = "I am happy. I am a doctor. I like chocolate."
print_words_occurrence(text)

[3] I
[2] am
[1] happy.
[1] a
[1] doctor.
[1] like
[1] chocolate.