00-- In python, else can be used with if; while; try
01-- using "with", we can open a file without f.close():
002-- make use of exception to make the codes simplier:
Running result:
Another way:
00-- In python, else can be used with if; while; try
01-- using "with", we can open a file without f.close():
002-- make use of exception to make the codes simplier:
Running result:
Another way: