设置一个特殊的标记来声明文件的编码。如果不需要 ASCII 字符，我们 [...] 等的标识符： and | as | assert [...] # assign the string

.sendmail(fromm, [to], mail.as_string [...] just end up # as one [...] )) # res is a tuple as

characters in a string [...] as strings of [...] _function i = int(system.ui.query_string