Python Files Class XII

Given a text file opened as file_in, which of the following will print the entire file? (Select ALL that apply.)

• print(file_in.read())

• print(file_in)

• lines = file_in.readlines()

  for line in lines:

  print(line)

• lines = file_in.readlines()

  for i in range(len(lines)):

  print(lines)

• for line in file_in:

  print(line)

What is the correct way to open the file file_in.txt for reading?

• open('file_in.txt', 'r')

• open('file_in.txt','r+')

• open('file_in.txt','w')

• open('file_in.txt','a')

What is the best way to read an entire file into a single string?

• .read()

• .readline()

• .readlines()

• .read(all)

What is the best way to read an entire file into a list of strings?

• .read()

• .readline()

• .readlines()

• .read(all)

What is the best way to read the first line of a file?

• .read()

• .readline()

• .readlines()

• .read(all)

When reading text files, what are the hidden characters typically at the end of each line?

• \n

• #

• @

• »

This command will open MyFile = open('MyText.txt', 'r')

• To read the file

• To append to the file

• To write to the file

If I want to add to the end of a text file, I should:

• MyCipher = open("MyCipher.txt", "w")

• MyCipher = open("MyCipher.txt", "a")

• MyCipher = open("MyCipher.txt", "w+")

• MyCipher = open("MyCipher.txt", "s")

Which of these will generate an error?

• MyCipher.write("writing")

• MyCipher..write(writing)

• MyCipher.write("writing",writing)

• MyCipher.readline()

How do you close the file?

• MyFile = close()

• MyFile.close

• close = MyFile()

• MyFile.close()