chit15

def findWaitingTime(processes, n, bt, wt):
wt[0] = 0 # Waiting time for the first process is 0
for i in range(1, n):
wt[i] = bt[i - 1] + wt[i - 1] # Calculate waiting time for each process

def findTurnAroundTime(processes, n, bt, wt, tat):
for i in range(n):
tat[i] = bt[i] + wt[i] # Turnaround time = Burst time + Waiting time

def findavgTime(processes, n, bt):
wt = [0] * n # Waiting time array
tat = [0] * n # Turnaround time array
total_wt = 0 # Total waiting time
total_tat = 0 # Total turnaround time

findWaitingTime(processes, n, bt, wt)  # Calculate waiting time

findTurnAroundTime(processes, n, bt, wt, tat)  # Calculate turnaround time

print("Processes Burst time Waiting time Turn around time")
for i in range(n):
    total_wt += wt[i]
    total_tat += tat[i]
    print(f"{processes[i]}\t\t{bt[i]}\t {wt[i]}\t\t {tat[i]}")

print(f"Average waiting time = {total_wt / n}")
print(f"Average turn around time = {total_tat / n}")

if name == "main":
# Process ids
processes = [1, 2, 3]
n = len(processes)

# Burst time of all processes
burst_time = [10, 5, 8]

findavgTime(processes, n, burst_time)