Questions

Conceptual

1. What is the resulting value and data type of the following expression? int("20")

2. What is the resulting value and data type of the following expression? str(2023) + str(2023)

3. What is the resulting value of the following expression? type(9 / len( str(110))

4. What is the resulting value of the following expression? "440" + "20"

5. What value of x would cause the following expression to evaluate to True? (3 + x) == (55 % 2 ** 4)

6. What value does the following expression result in, and what is its type? 2 + 2 / 2 ** (2 * 0)

7. Using subscription syntax and concatenation, write an expression that evaluates to "tar" using the following string: “Saturday".

8. What data type do expressions with relational operators typically evaluate to?

9. What does the following expression evaluate to? int("10" + "40") > 100 * 2

10. What are the types of the following expressions and what values do they evaluate to? If an error would occur, just write Error.

    10.1. 1.5 + 2

    10.2. "hehe" * 2

    10.3. len("110") ** 2

    10.4. str(110) * 2.1

    10.5. float("100.0") / 20

    10.6. 20 / 2 ** 2 + 3

    10.7. float("220") >= float("100" + "100")

    10.8. int("COMP 110"[5]) + 99.0

    10.9. (42 % 4) == (79 % 11)

    10.10. int(4.99)

11. Which of the following expressions correctly concatenates two strings together?

    1. "clam" * "chowder"

    2. "clam" + "chowder"

    3. "clam" , "chowder"

    4. "clam" : "chowder"

12. When using subscription syntax, what index does Python start with?

    1. -1

    2. 0

    3. 1

    4. ""

    5. True

13. Use subscription notation, string concatenation, and the string "nevermind" to write an expression that evaluates to "nvm".

Solutions

Solutions

Conceptual Solutions

1. 20, int

2. "20232023", str

3. <class 'float'> (Or just float is sufficient on a quiz.)

4. "44020"

5. 4

6. 4.0

7. There are two possible answers:

   "Saturday"[2] + "Saturday"[1] + "Saturday"[4]

   or

   "Saturday"[2] + "Saturday"[6] + "Saturday"[4]

8. bool

9. True

10. 10.1. Type: float Value: 3.5

    10.2. Type: str Value: "hehehehe"

    10.3. Type: int Value: 9

    10.4. TypeError

    10.5. Type: float Value: 5.0

    10.6. Type: float Value: 8.0

    10.7. Type: bool Value: False

    10.8. Type: float Value: 100.0

    10.9. Type: bool Value: True

    10.10. Type: int Value: 4

11. B

12. B

13. "nevermind"[0] + "nevermind"[2] + "nevermind"[5]