Data Structures & Operations
Python Coding Quiz - Data Structures & Operations
Answer the coding questions below by selecting all applicable options:
1. Which code snippets correctly create a list with elements 1, 2, and 3? (Select all that apply)
A)my_list = [1, 2, 3]
B) my_list = list(1, 2, 3)
C) my_list = [1, 2, 3,]
D) my_list = {1, 2, 3}
2. Which code snippets correctly create a dictionary with keys 'a' and 'b'? (Select all that apply)
A)my_dict = {'a': 1, 'b': 2}
B) my_dict = dict(a=1, b=2)
C) my_dict = {'a', 1, 'b', 2}
D) my_dict = dict([('a', 1), ('b', 2)])
3. Which code snippets correctly access the last element of a list my_list? (Select all that apply)
my_list[-1]
B) my_list[len(my_list)]
C) my_list[len(my_list) - 1]
D) my_list.last()
4. Which of the following correctly removes an item from a set my_set? (Select all that apply)
my_set.remove(2)
B) my_set.delete(2)
C) my_set.pop(2)
D) my_set.discard(2)
5. Which code snippets remove duplicates from a list my_list? (Select all that apply)
my_list = list(set(my_list))
B) my_list.remove_duplicates()
C) my_list = [*set(my_list)]
D) my_list.unique()
6. Which methods add elements to a dictionary my_dict? (Select all that apply)
my_dict['key'] = 'value'
B) my_dict.update({'key': 'value'})
C) my_dict.add('key', 'value')
D) my_dict.append('key', 'value')
7. Which code snippets correctly check if a dictionary my_dict contains the key 'a'? (Select all that apply)
'a' in my_dict
B) my_dict.has_key('a')
C) my_dict.contains('a')
D) my_dict.keys().contains('a')
8. Which code snippets correctly convert a list my_list to a set? (Select all that apply)
my_set = set(my_list)
B) my_set = {my_list}
C) my_set = my_list.set()
D) my_set = {*my_list}
9. Which methods retrieve the values from a dictionary my_dict? (Select all that apply)
my_dict.values()
B) list(my_dict.values())
C) my_dict.get_values()
D) my_dict["values"]
10. Which of the following correctly checks if 5 is in the list my_list? (Select all that apply)
if 5 in my_list:
B) if my_list.contains(5):
C) if 5 in my_list[]:
D) if 5 in list(my_list):