print（3?+?2?3?-?2?3?*?2）
print（8?/?2?8?**?2?2?*?（3?+?4））

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-05-25?17:46??pthon基礎練習\ppt\
?????目錄???????????0??2018-05-25?17:46??pthon基礎練習\ppt\Chapter1\
?????文件?????1229312??2015-01-27?19:39??pthon基礎練習\ppt\Chapter1\Section1.1-3.ppt
?????文件?????1490944??2015-01-27?19:58??pthon基礎練習\ppt\Chapter1\Section1.4.ppt
?????目錄???????????0??2018-05-25?17:46??pthon基礎練習\ppt\Chapter2\
?????文件??????522752??2015-01-27?20:02??pthon基礎練習\ppt\Chapter2\Section2.1.ppt
?????文件??????561664??2015-01-27?20:10??pthon基礎練習\ppt\Chapter2\Section2.2.ppt
?????文件??????561664??2015-01-27?20:15??pthon基礎練習\ppt\Chapter2\Section2.3.ppt
?????文件??????657408??2015-01-27?20:19??pthon基礎練習\ppt\Chapter2\Section2.4.ppt
?????目錄???????????0??2018-05-25?17:46??pthon基礎練習\ppt\Chapter3\
?????文件?????1077760??2015-01-27?20:33??pthon基礎練習\ppt\Chapter3\Section3.1.ppt
?????文件?????1751552??2015-01-27?20:38??pthon基礎練習\ppt\Chapter3\Section3.2.ppt
?????文件?????1350144??2015-01-27?20:29??pthon基礎練習\ppt\Chapter3\Section3.3.ppt
?????文件?????1250816??2015-01-27?20:31??pthon基礎練習\ppt\Chapter3\Section3.4.ppt
?????目錄???????????0??2018-05-25?17:46??pthon基礎練習\ppt\Chapter4\
?????文件????????6148??2015-02-10?08:59??pthon基礎練習\ppt\Chapter4\.DS_Store
?????文件?????3922432??2015-02-09?12:47??pthon基礎練習\ppt\Chapter4\Section4.1.ppt
?????文件?????2523136??2015-02-09?13:07??pthon基礎練習\ppt\Chapter4\Section4.2.ppt
?????文件??????370688??2015-02-03?09:55??pthon基礎練習\ppt\Chapter4\Section4.3.ppt
?????目錄???????????0??2018-05-25?17:46??pthon基礎練習\ppt\Chapter5\
?????文件????????6148??2015-02-10?08:59??pthon基礎練習\ppt\Chapter5\.DS_Store
?????文件?????4538368??2015-02-05?21:14??pthon基礎練習\ppt\Chapter5\Section5.1.ppt
?????文件?????2059264??2015-02-09?13:16??pthon基礎練習\ppt\Chapter5\Section5.2.ppt
?????文件?????4459008??2015-02-09?13:18??pthon基礎練習\ppt\Chapter5\Section5.3.ppt
?????目錄???????????0??2018-05-25?17:46??pthon基礎練習\ppt\Chapter6\
?????文件????????6148??2015-02-10?08:59??pthon基礎練習\ppt\Chapter6\.DS_Store
?????文件?????1623552??2015-02-09?13:20??pthon基礎練習\ppt\Chapter6\Section6.1.ppt
?????文件?????1341952??2015-02-06?13:02??pthon基礎練習\ppt\Chapter6\Section6.2.ppt
?????文件?????4609536??2015-02-09?13:26??pthon基礎練習\ppt\Chapter6\Section6.3.ppt
?????文件?????1124864??2015-02-09?13:28??pthon基礎練習\ppt\Chapter6\Section6.4.ppt
?????目錄???????????0??2018-05-25?17:46??pthon基礎練習\ppt\Chapter7\
............此處省略780個文件信息