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Python Programming - Lists

Exercise : Lists - General Questions
  • Lists - General Questions
71.
What does the list.pop(3) method do in Python?
Removes the element at index 3.
Removes the element with the value 3.
Raises an error because index 3 does not exist.
Removes all occurrences of the value 3.
Answer: Option
Explanation:
The pop() method removes and returns the element at the specified index.
72.
How can you concatenate two lists in Python?
list1.append(list2)
list1.extend(list2)
list1.concat(list2)
list1 + list2
Answer: Option
Explanation:
Using the '+' operator concatenates two lists in Python.
73.
What will the list.clear() method do?
Removes the last element from the list.
Removes all occurrences of a specific element.
Removes all elements from the list.
Clears the list, making it empty.
Answer: Option
Explanation:
The clear() method in Python lists is used to clear the list, making it empty.
74.
How can you find the index of the last occurrence of a specific element in a list?
list.last_index(element)
list.index_last(element)
list.index(element, -1)
list.find_last(element)
Answer: Option
Explanation:
The index() method can be used with a negative start parameter to find the last occurrence of an element.
75.
What does the list.reverse_copy() method do in Python?
Creates a reversed copy of the list.
Reverses the order of elements in the original list.
Raises an error as there is no such method.
Copies the list in reverse without modifying the original list.
Answer: Option
Explanation:
While there is no direct method named reverse_copy(), creating a reversed copy can be achieved using slicing or [::-1].
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