Interview Questions and Answers

Ques 1. Write a function to reverse a string.

def reverse_string(input_str):

return input_str[::-1]

Example:

reverse_string('hello')  # Output: 'olleh'

Ques 2. Implement a function to check if a string is a palindrome.

def is_palindrome(input_str):

return input_str == input_str[::-1]

Example:

is_palindrome('radar')  # Output: True

Ques 3. Write a Python function to check if a given year is a leap year.

def is_leap_year(year):

return (year % 4 == 0 and year % 100 != 0) or (year % 400 == 0)

Example:

is_leap_year(2024)  # Output: True

Ques 4. Implement a function to find the maximum element in a list.

def find_max_element(lst):

return max(lst)

Example:

find_max_element([3, 7, 2, 8, 5])  # Output: 8

Ques 5. Write a Python program to count the occurrences of each element in a list.

from collections import Counter

def count_occurrences(lst):

  return Counter(lst)

Example:

Ques 6. Create a function to check if a given string is an anagram of another string.

def is_anagram(str1, str2):

  return sorted(str1) == sorted(str2)

Example:

Ques 7. Implement a function to remove duplicates from a list.

def remove_duplicates(lst):

  return list(set(lst))

Example: