Write a function named is_balanced(lst) that returns True if…

Write a function named is_balanced(lst) that returns True if lst contains an even number of elements and False otherwise. Examples: is_balanced([1, 2, 3, 4]) returns True is_balanced([1, 2, 3]) returns False Provide the complete function. Part #2.  What is the Big-O time complexity of your function?  Why?