# 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
print("长度：",len(info))
# 逆序并输出
reverse_info = info  [::-1]        
print("逆序：",reverse_info)# your code goes here

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