venture of iit bombay vjti alumni rbopens file for both reading and writing in binary format the file pointer placed at the beginning of the file opens file for writing only overwrites the file if the file exists if the file does not existcreates new file for writing wb opens file for writing only in binary format overwrites the file if the file exists if the file does not existcreates new file for writing wopens file for both writing and reading overwrites the existing file if the file exists if the file does not existcreates new file for reading and writing