python open r '
2019年2月18日—第一步排除檔案開啟方式錯誤:.r只讀,r+讀寫,不建立.w新建只寫,w+新建讀寫,二者都會將檔案內容清零.(以w方式開啟,不能讀出。w+可讀寫).,txt'#寫入內容f=open(path,'w')f.write('test')f.close()#讀取數值f=open(path,'r')content=f.read()prin...
Purpose of including 'r' in the open() function?
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2015年9月3日—The'r'indicatesthatyouwishtoopenthefileinreadmode;itdoesnotreadanythinginitself.Youcanalsoreadafilethatisopenedin ...
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