22. This is the first index in a string. a. -1 b. 1 c. 0 d. The size of the stri

ID: 3694517 • Letter: 2

Question

22. This is the first index in a string.

a. -1

b. 1

c. 0

d. The size of the string minus one

23. This is the last index in a string.

a. 1

b. 99

c. 0

d. The size of the string minus one

24. This will happen if you try to use an index that is out of range for a string.

a. A ValueError exception will occur.

b. An IndexError exception will occur.

c. The string will be erased and the program will continue to run.

d. Nothing - the invalid index will be ignored.

25. This function returns the length of a string.

a. length

b. size

c. len

d. lengthof

Answers:

22. (c) 0

Reason : In computer systems, the string indices start always from 0 and end with n-1, n being the size of the string.

23.(d) The size of string minus one

Reason : Same as above.

24. (b) An IndexError exception will occur.

Reason : When a string index that is out of the range of string is specified an IndexError exception occurs and prints the following message :

IndexError: string index out of range

25. (c) len

len() function prints the size of a string. It takes string as input and return an integer value for the length of the input string as follows :

The above code output is :

Length of the string : 6

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