题解 | #多组_带空格的字符串_T组形式#
多组_带空格的字符串_T组形式
https://www.nowcoder.com/practice/cff28a28d7f54419a640a8bb19f4275f
t = int(input())
results = []
for _ in range(t):
n = int(input())
s = input()
s = s.strip()
s = s.replace(" ","")
reversed_s = s[::-1]
results.append(reversed_s)
for result in results:
print(result)
去掉空格： s = s.replace(" ","")
#python#