这是在网上看到的一个大神的解答: sys is a module that contains “system functionality”. sys.argv is a list containing your script’s command line arguments. One way to use it would be to write import sys and then sys.argv to access it. from module import names is an a…
本题本题开始涉及文件的操作,文件操作是一件危险的事情,需要仔细细心否则可能导致重要的文件损坏. 本题除了 ex15.py 这个脚本以外,还需要一个用来读取的文件 ex15_sample.txt 其内容如下: This is stuff I typed into a file. It is really cool stuff. Lots and lots of fun to have in here. 我们需要用 python 脚本打开文件并打印出来,不过我们不能把 ex15_sample.txt…