1) Which of the following command is used to open a file “c:\temp.txt” in read-mode only? a) infile = open(“c:\temp.txt”, “r”) b) infile = open(“c:\\temp.txt”, “r”) c) infile = open(file = “c:\temp.txt”, “r+”) d) infile = open(file = “c:\\temp.txt”, “r+”) 2) Which of the following command is used to open a file “c:\temp.txt” in write-mode only? a) infile = open(“c:\temp.txt”, “r”) b) infile = open(“c:\\temp.txt”, “r”) c) infile = open(file = “c:\temp.txt”, “r+”) d) infile = open(file = “c:\\temp.txt”, “r+”) 3) Which of the following command(s) is used to open a file “c:\temp.txt” in append-mode? a) outfile = open(“c:/temp.txt”, “a”) b) outfile = open(“c:\\temp.txt”, “rw”) c) outfile = open(“c:\temp.txt”, “w+”) d) outfile = open(“c:\\temp.txt”, “r+”) e) outfile = open(“c:\\temp.txt”, “a”) 4) Which of the following statements are true regarding the opening modes of a file? a) When you open a file for reading, if the file does not exist, an error occurs. b) When you open a file for writing, if the file does not exist, an error occurs. c) When you open a file for reading, if the file does not exist, the program will open an empty file. d) When you open a file for writing, if the file does not exist, a new file is created. e) When you open a file for writing, if the file exists, the existing file is overwritten with the new file. 5) Which of the following commands can be used to read “n” number of characters from a file using the file object <file>? a) file.read(n) b) n = file.read() c) file.readline(n) d) file.readlines() 6) Which of the following commands can be used to read the entire contents of a file as a string using the file object <tmpfile>? a) tmpfile.read(n) b) tmpfile.read() c) tmpfile.readline() d) tmpfile.readlines() 7) Which of the following commands can be used to read the next line in a file using the file object <tmpfile>? a) tmpfile.read(n) b) tmpfile.read() c) tmpfile.readline() d) tmpfile.readlines() 8) Which of the following commands can be used to read the remaining lines in a file using the file object <tmpfile>? a) tmpfile.read(n) b) tmpfile.read() c) tmpfile.readline() d) tmpfile.readlines() 9) What does the <readlines()> method returns? a) str b) a list of lines c) list of single characters d) list of integers 10) Which of the following functions can be used to check if a file “logo” exists? a) os.path.isFile(logo) b) os.path.exists(logo) c) os.path.isfile(logo) d) os.isFile(logo) 11) Which of the following command is used to open a file “c:\temp.txt” for writing in binary format only? a) outfile = open(“c:\temp.txt”, “w”) b) outfile = open(“c:\\temp.txt”, “wb”) c) outfile = open(“c:\temp.txt”, “w+”) d) outfile = open(“c:\\temp.txt”, “wb+”) 12) Which of the following command is used to open a file “c:\temp.txt” for reading in binary format only? a) outfile = open(“c:\temp.txt”, “r”) b) outfile = open(“c:\\temp.txt”, “rb”) c) outfile = open(“c:\temp.txt”, “r+”) d) outfile = open(“c:\\temp.txt”, “rb+”) 13) Which of the following functions do you use to write data in the binary format? a) write b) output c) dump d) send 14) Which of the following functions displays a file dialog for saving a file? a) tmpfile = askopenfilename() b) tmpfile = openfilename() c) tmpfile = asksaveasfilename() d) tmpfile = saveasfilename()
0%
Data File Handling
共有
共有
共有
Sunilvats1981
さんの投稿です
コンテンツの編集
印刷
埋め込み
もっと見る
割り当て
リーダーボード
もっと表示する
表示を少なくする
このリーダーボードは現在非公開です。公開するには
共有
をクリックしてください。
このリーダーボードは、リソースの所有者によって無効にされています。
このリーダーボードは、あなたのオプションがリソースオーナーと異なるため、無効になっています。
オプションを元に戻す
クイズ
は自由形式のテンプレートです。リーダーボード用のスコアは生成されません。
ログインが必要です
表示スタイル
フォント
サブスクリプションが必要です
オプション
テンプレートを切り替える
すべてを表示
アクティビティを再生すると、より多くのフォーマットが表示されます。
オープン結果
リンクをコピー
QRコード
削除
自動保存:
を復元しますか?