Question

Write the importance of passing file mode while declaring a file object in
data file handling.

Answer 1

Answer:

A file object allows us to use, access and manipulate all the user accessible files. One can read and write any such files.

When a file operation fails for an I/O-related reason, the exception IOError is raised. This includes situations where the operation is not defined for some reason, like seek() on a tty device or writing a file opened for reading.