Base64 encoding and decoding in python

base64 encoding is a method of encoding binary data into a text format that is safe to transmit over text-based protocols like http or email. it converts binary data into a string of ascii characters using a set of 64 different characters (hence the name base64). this encoding is commonly used to encode data that needs to be transmitted as text, such as images, audio files, or cryptographic keys.

in python, you can easily perform base64 encoding and decoding using the built-in `base64` module.

here is a simple tutorial on how to use base64 encoding and decoding in python:

1. import the `base64` module:

2. to encode a string or binary data into base64 format, you can use the `encode()` method:

3. to decode a base64 encoded string back to its original form, you can use the `decode()` method:

4. you can also encode and decode binary data (like an image file) using the same methods:

base64 encoding is a useful technique for converting binary data into a text format that can be easily transmitted over text-based protocols. it's important to note that base64 encoding does increase the size of the data by approximately 33%, as every 3 bytes of input data are converted into 4 bytes of base64-encoded data.

i hope this tutorial helps you understand how to use base64 encoding and decoding in python!

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