Exercise: Lists
Questions for: Lists
What does the
list.reverse_copy() method do in Python?
A:
Creates a reversed copy of the list.
B:
Reverses the order of elements in the original list.
C:
Raises an error as there is no such method.
D:
Copies the list in reverse without modifying the original list.
Answer: A
While there is no direct method named
reverse_copy(), creating a reversed copy can be achieved using slicing or [::-1].
What will the
list.clear() method do?
A:
Removes the last element from the list.
B:
Removes all occurrences of a specific element.
C:
Removes all elements from the list.
D:
Clears the list, making it empty.
Answer: D
The
clear() method in Python lists is used to clear the list, making it empty.Discuss About this Question.
What does the
list.pop(3) method do in Python?
A:
Removes the element at index 3.
B:
Removes the element with the value 3.
C:
Raises an error because index 3 does not exist.
D:
Removes all occurrences of the value 3.
Answer: A
The
pop() method removes and returns the element at the specified index.Discuss About this Question.
What will the
list.reverse() method do in Python?
A:
Sorts the list in descending order.
B:
Reverses the order of elements in the list.
C:
Removes duplicate elements from the list.
D:
Appends the list to itself.
Answer: B
The
reverse() method in Python lists is used to reverse the order of elements in-place.Discuss About this Question.
What is the purpose of the
list.count() method in Python?
A:
Returns the total number of elements in the list.
B:
Counts the occurrences of a specific element in the list.
C:
Counts the number of unique elements in the list.
D:
Returns the index of the first occurrence of a specific element.
Answer: B
The
count() method in Python lists is used to count the occurrences of a specific element.Discuss About this Question.
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