The answer is D. The program prints:
11
Why?
len counts every character, including spaces and punctuation. ‘hello world’ has 11.
Trace table
A trace table follows the program step by step. Here’s this one:
| count | character |
|---|---|
| 1 | h |
| 2 | e |
| 3 | l |
| 4 | l |
| 5 | o |
| 6 | (space) |
| 7 | w |
| 8 | o |
| 9 | r |
| 10 | l |
| 11 | d |
The code again
word = "hello world"
print(len(word))Try it: change one number in the program and predict the new output before you run it.