sr.strip():删除两边空字符 sr.lstrip():删除左边空字符 sr.rstrip():删除右边空字符 sr="###Life is short,you NEED python.###" print(sr.strip("#")) print(sr.lstrip("#")) print(sr.rstrip("#")) #输出结果: Life is short,you NEED python. Life is short,you NEED python.### ###...