The line up to the first % is passed to the shell, while any line(s) after the % are passed as standard input.
第一个 % 之前的一行传递给 shell,这个 % 之后的所有行都作为标准输入传递。
2
So if we write the electron configuration you see that this is the electron configuration here, 1s22s22p 1 s 2, 2 s 2, 2 p 6, 3s1 and now we're going into that third shell 3 s 1.
现在我们来到第三层,你们会看到3s1价电子之间的区别,电子构型是,现在我们来到第三层。
3
Open your shell or command prompt and start the Python interactive tool by issuing the command python. Now issue the commands shown in Listing 2 at the Python prompt (don't type the >>>s)