t=int(input())
list=list(map(int,input().split()))
d_n=int(input())
#for i in range(t):
while d_n in list:   # 这步关键！
    list.remove(d_n) 
for each in list:
    print(each,end=" ")
  • while 关键， in list的话就一直执行
  • list.remove(值)——很方便