RR算法python代码

以下是RR算法的Python代码：

def round_robin(processes, quantum):
    n = len(processes)
    waiting_time = [] * n
    turnaround_time = [] * n
    remaining_time = [p[1] for p in processes]
    current_time = 
    while True:
        done = True
        for i in range(n):
            if remaining_time[i] > :
                done = False
                if remaining_time[i] > quantum:
                    current_time += quantum
                    remaining_time[i] -= quantum
                else:
                    current_time += remaining_time[i]
                    turnaround_time[i] = current_time - processes[i][]
                    waiting_time[i] = turnaround_time[i] - processes[i][1]
                    remaining_time[i] = 
        if done:
            break
    return waiting_time, turnaround_time

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