# File IO Basic

"""
"r" : Open file for reading - default.
"w" : Open file for write.
"x" : Create file if it not exists (agar koi file exists nhi krti  to  ye new file bnata hai).
"a" : Add more content to the end of file (append).
"t" : text mode(txt ma file ko khol deta hai) - default.
"b" : Binary mode.
"+" : Read and write.
"""