fcfs.py

process_queue = []
total_wtime = 0
n = int(input('Enter the total no of processes: '))
for i in range(n):
    process_queue.append([])
    process_queue[i].append(input('Enter p_name: '))
    process_queue[i].append(int(input('Enter p_arrival: ')))
    total_wtime += process_queue[i][1]
    process_queue[i].append(int(input('Enter p_burst: ')))
    print()

process_queue.sort(key = lambda process_queue:process_queue[1])

print('ProcessName\tArrivalTime\tBurstTime')
for i in range(n):
    print(process_queue[i][0],'\t\t',process_queue[i][1],'\t\t',process_queue[i][2])
    
print('Total waiting time: ',total_wtime)
print('Average waiting time: ',(total_wtime/n))