Hinge_2.2_text_file

How to read a text file in Python?

• open file for read, then read the content, then close the file

• open file for read, then read the content

• read the file content, then close the file

• open file for WRITE, then Write, then close the file

file = open(filename, "r")

what does "r" mean?

• file is open for READING, in READING mode

• file is open for WRITING, in writing mode

• file is open for APPENDING, in append mode

file = open(filename, "a")

what does "a" mean?

• file is open for READING, in READING mode

• file is open for WRITING, in writing mode

• file is open for APPENDING, in append mode

Which one is correct to read a file line by line?

• file = open(filename, "r")

  line = file.readline()

  file.close()

• file = open(filename, "r")

  line = file.readline()

  while line != "":

  line = file.readline()

  file.close()

• file = open(filename, "r")

  content = file.read()

  file.close()

• file = open(filename, "r")

  content = file.readlines()

  file.close()

What is the meaning of "\n" in file.write("Diana, Jones\n") in Python?

• new line symbol, to create a new line in file

• letter n will be written into the file after Jones

• characters \ n will be written in the file after Jones

file = open(filename, "w")

What is the meaning of "w"?

• file object is in "w" mode - writing or write-over mode

• file is open for READING mode

• file is open for APPENDING mode

Which one is correct for writing "Diana Jones" and "Indiana Jones" into file "names" in 2 separate lines in Python?

• file = open("names.txt", "w")

  file.write("Diana Jones\n")

  file.write("Indiana Jones\n")

  file.close()

• file = open("names.txt", "r")

  file.write("Diana Jones\n")

  file.write("Indiana Jones\n")

  file.close()

• file = open("names.txt", "w")

  file.write("Diana Jones")

  file.write("Indiana Jones")

  file.close()