Data Types and Variables – Multiple Choice Questions (MCQs)

1. 25. What will be the output of `print(len('你好'))` in Python 3?

   • A. 2
   • B. 3
   • C. 4
   • D. 6

2. 26. What will be the output of `print(type(range(5)))`?

   • A. <class 'list'>
   • B. <class 'tuple'>
   • C. <class 'range'>
   • D. <class 'int'>

3. 27. Which of the following is NOT a valid way to create a string literal in Python?

   • A. single quotes'
   • B. double quotes
   • C. "triple quotes"
   • D. ''triple single quotes'''

4. 28. What is the output of `print(bool(' '))`?

   • A. TRUE
   • B. FALSE
   • C. Error
   • D. None

5. 29. Which method is used to remove a specific element from a list by its value?

   • A. pop()
   • B. remove()
   • C. discard()
   • D. del()

6. 30. Which of the following is the correct way to check if a key exists in a dictionary `my_dict`?

   • A. `'key' in my_dict`
   • B. `my_dict.has_key('key')`
   • C. `my_dict.contains('key')`
   • D. `my_dict['key'] is not None`

7. 31. What will be the output of `print(type(b'hello'))`?

   • A. <class 'str'>
   • B. <class 'bytes'>
   • C. <class 'bytearray'>
   • D. <class 'list'>

8. 32. Which of the following is a mutable sequence type in Python?

   • A. tuple
   • B. string
   • C. bytes
   • D. list

9. 33. What is the output of `print(f'{10:b}')`?

   • A. 1010
   • B. 0b1010
   • C. 1010'
   • D. 0b1010'

10. 34. Which method is used to remove the last element from a list?

    • A. pop()
    • B. remove()
    • C. delete()
    • D. clear()

11. 35. What will be the output of `print(type(1))`?

    • A. <class 'int'>
    • B. <class 'float'>
    • C. <class 'str'>
    • D. <class 'bool'>

12. 36. Which of the following is a valid way to access the last element of a list `my_list`?

    • A. `my_list[len(my_list) - 1]`
    • B. `my_list[-1]`
    • C. `my_list.last()`
    • D. Both A and B