venture of iit bombay vjti alumni wbopens file for both writing and reading in binary format overwrites the existing file if the file exists if the file does not existcreates new file for reading and writing opens file for appending the file pointer is at the end of the file if the file exists that isthe file is in the append mode if the file does not existit creates new file for writing ab opens file for appending in binary format the file pointer is at the end of the file if the file exists that isthe file is in the append mode if the file does not existit creates new file for writing aopens file for both appending and reading the file pointer is at the end of the file if the file exists the file opens in the