def get_min_max(ints):
    """
    Return a tuple(min, max) out of list of unsorted integers.
    The code should run in O(n) time. Do not use Python's inbuilt functions to find min and max.

    Args:
       ints(list): list of integers containing one or more integers
    """
    min_value = ints[0]
    max_value = ints[0]

    for value in ints[1:]:  # no need to check first element
        if value > max_value:
            max_value = value
        if value < min_value:
            min_value = value

    return min_value, max_value