[Python] after a lapse of several days to start learning again the third day

    The main purpose is not to learn how many GUI interface and game development, the first temporary address learning under the record, the time or the next time and then hit a good detailed study Kazakhstan

https://github.com/jackfrued/Python-100-Days/blob/master/Day01-15/10. The graphical user interface and game development .md

    File operations:

•     Open: open, file pointer value is returned, a series of operations performed by the file pointer
•     Close: close
•     Reading: read
•     写：write

    Exception handling mechanism: the structure is try ... expect ... finally ...

    Context management mechanism: with ... [as ...], you can achieve recovery management of resources, can facilitate the realization of abnormal capture, simplify the code.

    json module: module calling method and load dump can convert between the word exemplary data format and json easy.