Variable-length parameters
Length parameter is not defined
- * Arge (position parameter passing) → returns a tuple
Case:
- ** kearge (with parameter name parameter passing) is returned dictionary →
Case:
- The two were together is really variable length parameter (* args must be placed in front of)
Case:
Function generator:
Case:
- Try to execute the code in the try, if wrong, were captured expect, but the entire program does not crash, the code is as follows:
Processes and threads:
Process: is a program running on the system, the program is run once the process. Simply put, every time can only run one program to the next after a completion.
Case:
Thread : A process can also have multiple concurrent thread of execution, simply means that you can get with multiple CPU scheduling the execution unit, which is called a thread. Simply means that you can be more than one program at the same time.
Case: