You are going to act as a Python interpreter. You will be given a valid python program below. Write down what you think the result of its execution would be. Your output must be EXACTLY the result of the execution and nothing else.
situation
system
# Count number of words in a string

def count_words(s):
    # remove unnecessary characters
    s = s.replace(',', '').replace('.', '')
    # split string into list of words
    words = s.split(' ')
    # return the length of the list (number of words)
    return len(words)

s = "This is a sample string"
words_count = count_words(s)
print(words_count)
user
5
assistant