Question 1

Which of the following statements about string literals in Python is TRUE?

Accepted Answer

String literals are sequences of characters surrounded by matching single or double quotes.

Question 2

Given the string $$str1 = 	ext{''cookies \& milk''}$$, what is the value of $$str1[2:7]$$?

Accepted Answer

$$	ext{okies}$$

Question 3

What will be the output of the following code?

$$	ext{print('cha' * 2 + 'cha')}$$

Accepted Answer

$$	ext{chachacha}$$

Question 4

Suppose you have $$str1 = 	ext{''Python''}. $$What is the result of $$str1[-3:]$$?

Accepted Answer

$$	ext{hon}$$

Question 5

If $$str1 = 	ext{''cookies \& milk''}$$, what is the value of $$len(str1)$$?

Accepted Answer

$$14$$

Question 6

Which of the following expressions will result in an error in Python?

Accepted Answer

$$	ext{print('python' + 3)}$$

Question 7

A user enters their age using $$input(). $$Which function should you use to convert the input to a floating-point number?

Accepted Answer

$$float()$$

Question 8

Given $$str1 = 	ext{''Alaska''}$$, what is the result of $$str1.find('a')$$?

Accepted Answer

$$1$$

Question 9

What is the negative index of the first character in a string of eight characters?

Accepted Answer

$$-8$$

Question 10

Which method would you use to count the number of non-overlapping occurrences of a substring in a string?

Accepted Answer

$$count()$$

Question 11

What is the output of the following code?

$$	ext{print('Good Doggie'.upper().count('G'))}$$

Accepted Answer

$$3$$

Question 12

If $$str1 = 	ext{''Python''}$$, what is the result of $$str1[2:10]$$?

Accepted Answer

$$	ext{thon}$$

Question 13

Which of the following statements about string slicing is FALSE?

Accepted Answer

Python allows out-of-bounds indexing for individual characters.

Question 14

A hospital system stores patient phone numbers as strings. Which of the following is the BEST reason for this design?

Accepted Answer

Phone numbers may contain non-numeric characters such as '+', '-', or spaces.

Question 15

What is the result of $$int('4.8') in $$Python?

Accepted Answer

It raises a ValueError.

Question 16

Which of the following code snippets correctly separates a full name into first and last names, assuming the user enters 'Jane Doe Smith'?

Accepted Answer

last_name = full_name[full_name.rfind(' ')+1:]
first_names = full_name[:full_name.rfind(' ')]

Question 17

Which of the following statements about string immutability in Python is TRUE?

Accepted Answer

Individual characters in a string cannot be changed directly.

Question 18

A user enters '25' using $$input(). $$Which of the following statements will store the value as an integer?

Accepted Answer

$$age = int(input())$$

Question 19

What is the output of $$print('Python'[1], 'Python'[5], 'Python'[2:4])$$?

Accepted Answer

Question 20

Which of the following is the correct way to convert the integer $$67 to a $$string in Python?

Accepted Answer

$$str(67)$$

Programming with Strings in Python: Concepts, Indexing, Slicing, and Methods

Study Guide - Practice Questions