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题目：HJ106 字符逆序
import syswhile True:try:s = input().strip()res = ""for i in range(len(s)-1,-1,-1):res += s[i]print(res)except:break
题目：HJ106 字符逆序
import syswhile True:try:s = input().strip()res = ""for i in range(len(s)-1,-1,-1):res += s[i]print(res)except:break