Binary File Exercise - Read, Write, Append Data in Binary File | Pickle Module - load, dump
In this tutorial we will solve question on Binary File Handling in Python
Store / write a list in a binary file
Store / append a dictionary in binary file
Read list / dictionary from a binary file
Types of File :-
Text File - Stores data in ASCII, UNICODE Format
Binary File - Stores data as in the format of the memory
CSV File - Stores Tabular Data separated by comma ','
Modes in File Handling :-
rb: open an existing file for a read operation.
wb: open an existing file for a write operation. If the file already contains some data then it will be overridden but if the file is not present then it creates the file as well.
ab: open an existing file for append operation. It won’t override existing data.
rb+: To read and write data into the file. The previous data in the file will be overridden.
wb+: To write and read data. It will override existing data.
ab+: To append and read data from the file. It won’t override existing data.
Import Pickle Module
Opening file in python:-
open(path, mode) function opens the file with the specified path of file & opening mode
Perform Operations :-
load() function - reads data structure like list, tuple, dictionary, integer, float, string, Boolean from Binary File
dump() function - writes data structure like list, tuple, dictionary, integer, float, string, Boolean in Binary File
Closing file in python:-
close() function closes the file & pushes/makes all the changes in the file.
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