Understanding Files in Python

How do you open a file for reading in Python?

• open('file.txt', 'r')

• open('file.txt', 'write')

• open('file.txt', 'append')

• open('file.txt', 'create')

Which mode is used to open a file for writing, overwriting the file if it already exists?

• 'r'

• 'a'

• 'w'

• 'x'

How do you close a file after opening it?

• file.close()

• file.end()

• file.stop()

• file.quit()

What method is used to read the entire contents of a file?

• file.read()

• file.readall()

• file.get()

• file.readfile()

Which method reads a single line from a file?

• file.readline()

• file.getline()

• file.readline()

• file.nextline()

How do you write data to a file?

• file.write(data)

• file.append(data)

• file.insert(data)

• file.add(data)

Which mode is used to open a file for appending data to the end?

• 'r'

• 'w'

• 'a'

• 'x'

What does 'r+' mode do when opening a file?

• Opens the file for reading only

• Opens the file for writing only

• Opens the file for both reading and writing

• Opens the file for appending

What method would you use to read all lines from a file into a list?

• file.readlines()

• file.getlines()

• file.alllines()

• file.readall()

How can you open a file in binary mode?

• 'b'

• 'rb'

• 'w'

• 'r+'