info="label_data"
print("原始字符串:")
print(info)
lower_info=info.lower()
print("小写:",lower_info)
upper_info=info.upper()
print("大写:",upper_info)
print("长度:",len(info))
reverse_info=info[::-1]
print("逆序:",reverse_info)
aW5mbz0ibGFiZWxfZGF0YSIKcHJpbnQoIuWOn+Wni+Wtl+espuS4su+8miIpCnByaW50KGluZm8pCmxvd2VyX2luZm89aW5mby5sb3dlcigpCnByaW50KCLlsI/lhpnvvJoiLGxvd2VyX2luZm8pCnVwcGVyX2luZm89aW5mby51cHBlcigpCnByaW50KCLlpKflhpnvvJoiLHVwcGVyX2luZm8pCnByaW50KCLplb/luqbvvJoiLGxlbihpbmZvKSkKcmV2ZXJzZV9pbmZvPWluZm9bOjotMV0KcHJpbnQoIumAhuW6j++8miIscmV2ZXJzZV9pbmZvKQ==