摘要： 今天看到一小段代码，然后发现一个貌似很常见的api,因为不怎么用，所以查了一下。结果，越查越迷糊str.lstrip([chars])Return a copy of the string with leading characters removed. The chars argument is a string specifying the set of characters to be removed. If omitted or None, the chars argument defaults to removing whitespace. The chars argument is 阅读全文