def METHOD_NAME(tup):
    """sort a list of tuples by its second item."""
    lst = len(tup)
    for i in range(0, lst):
        for j in range(0, lst - i - 1):
            if tup[j][1] > tup[j + 1][1]:
                temp = tup[j]
                tup[j] = tup[j + 1]
                tup[j + 1] = temp
    return tup