Write a function that takes an unsorted integer array, and returns a three element subset whose sum is zero.
What is the output, suppose list1 is [1, 3, 2], what is list1 * 2 ?
Discuss an algorithm to traverse a tree, depth first.
Write a function that takes as input a binary tree, and prints out each level of the tree on a newline. For example: a / b c / / d e f will output: a b c d e f
Write a program to reverse a number in python?
Write a python program to check if a number is an armstrong number?
How do you set a global variable inside a function?
Write a function that takes an unsorted integer array, and returns a three element subset whose sum is zero.
Write a python program to count the number of vowels in a string?
Write a function that takes an array of integers and efficiently calculates and returns the Least Common Multiply in python.
If basic HR function like recruitment, training are outsoureced then, why do companies have their own HR department?
Write a function that takes an array of integers and returns that array rotated by N positions. For example, if N=2, given the input array [1, 2, 3, 4, 5, 6] the function should return [5, 6, 1, 2, 3, 4]
Write a python program to find the second largest number in a list?