Getting Started with Python-program run, annotations

1. Program operation

1.1 Python interpreter Run

File-new file Create a new edit window, enter the contents of the

Select File-save to save the program (for plain text files). Create a directory that specifically stores Python projects. Then make a meaningful name for the program, such as name.py. It is important that the file name ends with a. py.

You can now run the program with Edit-run or by pressing the CRTL+F5 key.

Enter a name (such as Frank) and press ENTER. 'll see

1.2 Command Prompt run

2. Notes

The first line is called a comment. Comments are intended to make it easier for others to understand the program and to look back at the old code. The first commandment of the programmer is "thou shalt note." Programmers should make sure that the comments are all important things,

Without having to weigh the obvious content in the code. It's not as useless as an extra comment. For example, the comments in the following example are not good

Even without annotations, you should make the code itself easy to understand.

Even Mei

Getting Started with Python-program run, annotations