File Object methods (Python)

Question 1

What does file = open(‘file name.txt’, access_mode) mean

Answer 1

Opens the file if it exists otherwise creates the file. Needs the given access_mode (‘a’, ‘r’, ‘w’)

Question 2

What does file.close() do

Answer 2

Closes the file

Question 3

What does print(file.read(n)) do

Answer 3

Reads the n characters of the file and is returned as a string. If n is not specified then returns all characters

Question 4

What does print(file.readline(n)) do

Answer 4

Read n characters from current line in file and return them as a string. If n is not specified then returns to the end of the line

Question 5

What does line = file.readlines() mean

Answer 5

Reads all lines in a file and returns them as elements

Question 6

What does file.write(written_string) mean

Answer 6

Writes written_string into the file

Question 7

What does file.writelines([a,b,c,d])

Answer 7

Writes list of a, b, c, d as one line in the file. For multiple line use \n