摘要:
1.the use of 'with open... as ...'2.the use of pickle(dump and load)for Step1:the 'with open ... as...' is the short format of 'try...except...finally... 阅读全文
摘要:
1.publish2.update print_lolPS:for Step 1.write the code in to a py file. put the py file into a folder named nester. new a py file named 'setup' and t... 阅读全文
摘要:
1.the concept of List2. how to define a method of myself3.how to iterator a listPS:for Step 2,3. it is related with a key word: 'def'. we define a fun... 阅读全文