[已解决]大家看看这题

xtxzs

count = int(input())
new_data = []
for i in range(count):
    data = input().split()
    del_data = input()
    for j in data:
        if j!=del_data:
            new_data.append(j)
    new_data.append("\n")
str = ""
for k in new_data:
    if k!="\n":
        str+=k
    else:
        print(" ".join(str))
        str = ""