<a> mode is for writing; to read, <a+> is needed. <a> will create the file if it doesn’t exist.'r' is the default mode.| List-I | List-II |
| (A) readline() | (I) Writes a sequence of strings to the file |
| (B) writelines() | (II) Reads a single line from the file |
| (C) seek() | (III) Force any buffered output to be written to the file |
| (D) flush() | (IV) Moves the file pointer to the specified position |