Python Data Types and Type Conversion Essentials Quiz

1. Identifying Integer Type

   What data type will result from the expression type(42) in Python?

   1. long
   2. boolean
   3. str
   4. int
   5. float

2. Float Conversion

   If you execute float('3.14'), what type is returned in Python?

   1. bool
   2. tuple
   3. int
   4. float
   5. string

3. Type Casting to String

   What happens when str(123) is executed in Python?

   1. True
   2. 123.0
   3. {1:2, 3:4}
   4. '123'
   5. [1, 2, 3]

4. Boolean Evaluation of Zero

   What is the result of bool(0) in Python?

   1. 0.0
   2. None
   3. False
   4. 'False'
   5. True

5. Tuple Identification

   Given the variable t = (1, 2, 3), what type is t in Python?

   1. set
   2. list
   3. tuple
   4. range
   5. dictionary

6. List Creation

   Which of the following expressions creates a list containing the numbers 1, 2, and 3?

   1. (1, 2, 3)
   2. 1, 2, 3
   3. {1:2, 3:4}
   4. [1, 2, 3]
   5. {1, 2, 3}

7. Set Uniqueness

   What is the main characteristic of a Python set, such as set([1, 2, 2, 3])?

   1. It is immutable
   2. It allows duplicate keys
   3. It is a sequence
   4. It only contains unique elements
   5. It maintains order

8. Dictionary Structure

   If d = {'a': 1, 'b': 2}, what data type is d in Python?

   1. array
   2. list
   3. tuple
   4. dict
   5. set

9. Boolean Conversion from String

   What does bool('False') evaluate to in Python?

   1. TypeError
   2. False
   3. 0
   4. True
   5. None

10. Immutability of Tuples

    Which statement describes tuples in Python, such as (1, 2, 3)?

    1. They are mutable
    2. They are immutable
    3. They are unordered
    4. They are key-value pairs
    5. They contain only strings

11. Converting List to Set

    What is the result of set([1, 2, 2, 4]) in Python?

    1. [1, 2, 2, 4]
    2. {1, 2, 4}
    3. {1:2, 2:2, 4:4}
    4. '1, 2, 2, 4'
    5. (1, 2, 2, 4)

12. List Concatenation

    Which of the following is valid for concatenating two Python lists a = [1, 2] and b = [3, 4]?

    1. a | b
    2. a + b
    3. a - b
    4. a * b
    5. a u0026 b

13. int() with Float Value

    What is the value of int(3.9) in Python?

    1. '3.9'
    2. 3
    3. 3.9
    4. 4
    5. Error

14. Accessing Dictionary Values

    With data = {'apple': 5, 'banana': 8}, what is the result of data['banana']?

    1. None
    2. 8
    3. 'banana'
    4. Error
    5. 5

15. Type Checking

    What will type([1, 'two', 3.0]) return in Python?

    1. tuple
    2. list
    3. dict
    4. array
    5. set

16. String to Integer Conversion

    Which expression safely converts the string '10' to the integer 10 in Python?

    1. str('10')
    2. int('10')
    3. float('10')
    4. bool('10')
    5. set('10')