4_HW_BioInfa

if __name__ == '__main__':
    name = input("Enter file name: ")
    f = open(name, 'r')
    count = 0
    average = 0
    min=100000
    max = 0
    sum = 0
    global_sum = 0
    len_arr = []
    for line in f:
        if line[0] != '>':
            line = line.strip()
            sum += len(line)

        else:
            global_sum += sum
            len_arr.append(sum)
            if sum < min and sum != 0:
                min = sum

            if sum > max:
                max = sum
            sum = 0
            count += 1
    len_arr.sort()
    center = round(global_sum / 2)
    new_sum = 0
    k = -1
    len_arr.reverse()
    for i in len_arr:
        if new_sum < center:
            new_sum += i
            k += 1
    print(count)
    print(min, max, global_sum / count)
    print(len_arr[k])