Answer:
17
Step-by-step explanation:
length() is the function which is used to find the number of character the string.
character include space as well.
initially declare the string user with input "Martha and George".
then call length function which count the character within the double quotes""
total number is 17 (15 letters and 2 spaces).
and it then store in the integer.
finally print the value.
Therefore, the output is 17.