操作系统python代码实现磁头调度算法

print("起始位置为：",end='')
b = int(input())
print("进程号为(数字用空格分开)：",end='')
a = list(map(int,input().split()))
print("CSCAN算法的移动方向（1为增，0为减）:",end='')
yd = int(input())
c = abs(b-a[0])
d = [c]
for i in range(len(a)-1):
    e = abs(a[i + 1] - a[i])
    d.append(e)
    c += e
print("FSFC算法：")
print("被访问的下          移动距离")
print("一个磁道号         （磁道数）")
for i in range(len(a)):
    print("    " + "{:<19}".format(str(a[i])) +str(d[i]))
print("平均寻道长度为："+str(c/len(a)))
e = a
e.insert(0,b)
e = sorted(e)
p = []
o = b
for i in range(len(e)):
    m = e.index(o)
    if(len(e) >= 2):
        if m == 0:
            p.append(e[1])
            q = o
            o = e[1]
            e.remove(q)
        elif len(e)-1 == m: