def readExperimentParameters(filename):
    """
    >>> readExperimentParameters('experiments.csv')[0]
    (10, 2, 480)
    >>> len(readExperimentParameters('experiments.csv'))
    5
    >>> readExperimentParameters('experiments.csv')[3]
    (20, 2, 480)
    >>> readExperimentParameters('experiments.csv')[2]
    (20, 15, 240)
    >>> type(readExperimentParameters('experiments.csv')[1])
    <class 'tuple'>
    """
    data = []
    with open('experiments.csv') as csvfile:
        rdr = csv.reader(csvfile, skipinitialspace=True)
        next(rdr)
        for row in rdr:
            row[0] = int(row[0])
            row[1] = int(row[1])
            row[2] = int(row[2])
            if row[3] == "h":
            	row[2] = int(row[2])*60
            	data.append(tuple(row[0:3]))
            else:
                data.append(tuple(row[0:3]))
    data = [tuple(value for value in row if value) for row in data]
    return data

def singleQueue(alpha, beta, time=480):
    """
    >>> random.seed(57)
    >>> singleQueue(10, 3, 480)
    3
    >>> random.seed(101)
    >>> singleQueue(5, 3, 480)
    6
    >>> random.seed(101)
    >>> singleQueue(5, 3)
    6
    >>> random.seed(935)
    >>> singleQueue(10, 9, 280)
    10
    >>> type(singleQueue(10, 9, 280))
    <class 'int'>
    """
    c = 0
    ta = 0
    ts = 0
    Q = 1
    maxQ = 0
    while c < time:
    	if ta < ts:
    		ts = ts - ta
    		c = c + ta
    		Q = Q + 1
    		if Q > maxQ:
    			maxQ = Q
    		ta = nextTime(alpha)
    	else:
    		ta = ta - ts
    		c = c + ts
    		Q = Q - 1
    		ts = nextTime(beta)
    	if Q == 0:
    		c = c + ta
    		Q = Q + 1
    		ta = nextTime(alpha)
    return maxQ