# Author: Morrison
#  Date created: 1 Oct 2021
#  Date last modified: 1 Oct 2021
#  Program: algore.py
# #################### Problem 1 ###########################
def swap(x, j, k):
    if j != k:
        x[j],x[k] = x[k], x[j]
def adjacent_neighbors(x):
    """prec x is a homogeneous list of sortable items
    postc:  x is sorted in-place using the adjacent neighbors 
    algorithm"""
def trickle_down(x):
    """prec x is a homogeneous list of sortable items
    postc:  x is sorted in-place using the trickle down
    algorithm"""