Write a program to reverse a number in python?
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 function to efficiently convert a floating point number to a rational number. For example, given 0.125 return "1/8"
What is the output, suppose list1 is [1, 3, 2], what is list1 * 2 ?
Can you write a program to find the average of numbers in a list in python?
Write a python program to find the second largest number in a list?
Given a N by N matrix of both negative and positive integers. Write an efficient algorithm to find the sub-matrix with the largest sum of all the contained elements.
The sum of three numbers is 20. The second number is 4 times the first number , and the sum of the first and third is8. Find the numbers.
Write a python program to check if a string is a palindrome or not?
Write a function that takes an unsorted integer array, and returns a three element subset whose sum is zero.
Write a python program to check if a number is a perfect number?
Discuss an algorithm to traverse a tree, depth first.
Write a program to reverse a number in python?