in python please

11 R6.17 Give pseudocode for an algorithm that rotates the elements of a list by one position, moving the initial element to the end of the list, like this: 2 3 5 7 11 13 "1111 3 5 7 11 13 2 - R6.18 Give pseudocode for an algorithm that removes all negative values from a list, pre- serving the order of the remaining elements. - R6.19 Suppose values is a sorted list of integers. Give pseudocode that describes how a new value can be inserted in its proper position so that the resulting list stays sorted