venture of iit bombay vjti alumni append mode if the file does not existit creates new file for reading and writing abopens file for both appending and reading in binary format the file pointer is at the end of the file if the file exists the file opens in the append mode if the file does not existit creates new file for reading and writing the file object attributes once file is opened and you have one file objectyou can get various information related to that file here is list of all attributes related to file object sr no attribute description file closed returns true if file is closedfalse otherwise