statistics_faulty.py

def stats(lst):
    _min = None
    _max = None
    freq = {}
    for i in lst:
        i = abs(i)
        if _min is None or i < _min:
            _min = i
        if _max is None or i > _max:
            _max = i
        if i in freq:
            freq[i] += 1
        else:
            freq[i] = 1
    lst_sorted = sorted(lst)
    if len(lst_sorted) % 2 == 0:
        middle = int(len(lst_sorted) / 2)
        median = int((lst_sorted[middle] + lst_sorted[middle - 1]) / 2)
    else:
        median = lst_sorted[int(len(lst_sorted) / 2)]
    mode_times = None
    for i in freq.values():
        if mode_times is None or i > mode_times:
            mode_times = i
    mode = []
    for (num, count) in freq.items():
        if count == mode_times:
            mode.append(num)

    print("list = " + str(lst))
    print("min = " + str(_min))
    print("max = " + str(_max))
    print("median = " + str(median))
    print("mode(s) = " + str(mode))

    return {"min":_min, "max":_max,"median":median,"modes":mode}