Domain 3 - Recap - Working with files

Question 1

When opening a file in python, how many arguments do you need to supply?

Answer 1

1. 2 arguments
2. One for the name and location of the file and the mode, such as read or write.

myFile = open(“text.txt”, “w”)

Question 2

When working with files, what do the following modes mean?

1. w
2. r
3. r+
4. a
5. t
6. x

Answer 2

1. w = write
2. r = write
3. r+ = read and write
4. a = append
5. t = text
6. x = open for exclusive creation, failing if the file already exists.

Question 3

What does f.read do in this example?

f = open(“textfile.txt”, “r”)

if f.mode = f.read()
contents = f.read()
print(contents)

f.close()

Answer 3

1. f.read will take the entire contents of the file and print everything.

Question 4

What module is used to find paths to files in python?

Answer 4

import os