def open_data(shot_no,diagnSPEC):
    f = baseURL + str(shot_no) + '/' + str(diagnSPEC) + '.npz'
    return np.load(f)

# Definice klouzaveho prumeru
def running_mean(l, N):
    sum = 0
    result = list( 0 for x in l)

    for i in range( 0, N ):
        sum = sum + l[i]
        result[i] = sum / (i+1)

    for i in range( N, len(l) ):
        sum = sum - l[i-N] + l[i]
        result[i] = sum / N

    return result

def mkdir(dir):
    try:os.makedirs(dir)
    except OSError:pass