21-30 Python Questions

21.Write a Python program to get the last element of a list using negative indexing.

22.Write a Python program to sort a list in descending order. Write a Python program to check if a list is empty or not

23.Write a Python program to check if two sets have any elements in common.

24.Write a Python program to convert a tuple to a list.

25.Write a Python program to check whether a number is Palindrome or not.

26.fruits = ["apple", "banana", "cherry", “guava”, “pumpkin”]. Using membership operator, determine whether “Mango” is included in the given list.

27.Write a Python program that takes two integers as input and performs bitwise AND, OR, and XOR operations on them.

28.Write a function that checks if a number is a perfect square.

29.Write a function that checks if a string is a valid palindrome considering only alphanumeric characters and ignoring cases.

30.Write a function that counts the number of vowels in a given string.