info="label_data"
print("原始字符号:")
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+espuWPtzoiKQpwcmludChpbmZvKQpsb3dlcl9pbmZvPWluZm8ubG93ZXIoKQpwcmludCgi5bCP5YaZIixsb3dlcl9pbmZvKQp1cHBlcl9pbmZvPWluZm8udXBwZXIoKQpwcmludCgi5aSn5YaZIix1cHBlcl9pbmZvKQpwcmludCgi6ZW/5bqmIixsZW4oaW5mbykpCnJldmVyc2VfaW5mbz1pbmZvWzo6LTFdCnByaW50KCLpgIbluo8iLHJldmVyc2VfaW5mbyk=