Which of the following option is the correct Python statement to read and display the first 10 characters of a text file "Notes.txt" ?

1. F = open('Notes.txt') ; print(F.load(10))
2. F = open('Notes.txt') ; print(F.dump(10))
3. F = open('Notes.txt') ; print(F.read(10))
4. F= open('Notes.txt') ; print(F.write(10))

Which of the following is not a correct Python statement to open a text file "Notes.txt" to write content into it ?

1. F = open('Notes.txt', 'w')
2. F = open('Notes.txt., 'a')
3. F = open('Notes.txt', 'A')
4. F = open('Notes.txt', 'w+')

Which function is used to read a single line from file ?

1. readline()
2. readlines()
3. readstatement()
4. readfullline()

Which function is used to write all the characters ?

1. write()
2. writecharacters()
3. writeall()
4. writechar()