- strip() 删除字符串中的内容，删除后仍旧是 str
- split() 分割字符串，根据特定的标识，分割后=list
两者处理过程中都不会修改原字符串的内容
python3
str.strip(",") # 删除字符串末尾的","
str.rstrip(",") # 删除字符串末尾的","
str.lstrip(",") # 删除字符串开通的","
两者处理过程中都不会修改原字符串的内容
python3
str.strip(",") # 删除字符串末尾的","
str.rstrip(",") # 删除字符串末尾的","
str.lstrip(",") # 删除字符串开通的","