4.2. String
4.2.1.String function 4.2.1.1.str.find() 找到字符,返回字符串位置。没有找到返回 -1 "aaa bbb ccc".find('aaa') 4.2.1.2.str.find() 查找并替换字符串 a = 'hello word' a.replace('word','python') 4.2.2.Convert str to bytes in python >>> b = str.encode(y) >>> type(b) >>> b b’Hello World!’ To alter from bytes to str, capitalize on bytes.decode(). >>> z = b”Hello World!” >>> y = “Hello World!” >>> type(z) >>> type(y) To alter from str to bytes, capitalize on str.encode(...