# your code goes here# 定义字符串变量
info = "label_data"
# 输出原始字符串
print("原始字符串:")
print(info)
#3.2 转为小写 / 大写、输出长度、输出逆序字符串。(15 分)
# 转小写并输出
lower_info = info.lower()
print("小写:", lower_info)
# 转大写并输出
upper_info = info.upper()
print("大写:",upper_info)
# 输出长度
IyB5b3VyIGNvZGUgZ29lcyBoZXJlIyDlrprkuYnlrZfnrKbkuLLlj5jph48KaW5mbyA9ICJsYWJlbF9kYXRhIgojIOi+k+WHuuWOn+Wni+Wtl+espuS4sgpwcmludCgi5Y6f5aeL5a2X56ym5Liy77yaIikKcHJpbnQoaW5mbykKCiMzLjIg6L2s5Li65bCP5YaZIC8g5aSn5YaZ44CB6L6T5Ye66ZW/5bqm44CB6L6T5Ye66YCG5bqP5a2X56ym5Liy44CC77yIMTUg5YiG77yJCgojIOi9rOWwj+WGmeW5tui+k+WHugpsb3dlcl9pbmZvID0gaW5mby5sb3dlcigpCnByaW50KCLlsI/lhpnvvJoiLCBsb3dlcl9pbmZvKQojIOi9rOWkp+WGmeW5tui+k+WHugp1cHBlcl9pbmZvID0gaW5mby51cHBlcigpCnByaW50KCLlpKflhpnvvJoiLHVwcGVyX2luZm8pCiMg6L6T5Ye66ZW/5bqm