Python Text & Binary Files

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 list of strings?

• .read()

• .readline()

• .readlines()

• .read(all)

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

• \n

• #

• @

• »

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")

How do you close the file?

• MyFile = close()

• MyFile.close

• close = MyFile()

• MyFile.close()

Why is it best to open a file with "with" in Python?

• It automatically closes the file

• Easier to read the code

• Better for binary files

• Closers to the pseudocode

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