Write a python program to count the number of vowels in a string?
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Write a python program to check if a number is a palindrome or not?
Write a function that takes an unsorted integer array, and returns a three element subset whose sum is zero.
Can you write a program to find the average of numbers in a list in python?
Write a function that takes an array of integers and efficiently calculates and returns the Least Common Multiply in python.
Given a circular list of integers (when you reach the end of the list you come back to the beginning), what is the most efficient algorithm to find the smallest integer in the list? For example: circular_list = [22, 52, 66, 82, 5, 8, 12, 19].
Write a program to find sum of the digits of a number in python?
What is the output when we execute list(“hello”)?
Write a python program to check if a number is a prime number?
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 python program to check if a number is a strong number?
Write a python program to count the number of vowels in a string?
Write a function to efficiently convert a floating point number to a rational number. For example, given 0.125 return "1/8"