Example of the uuid module in python.

Many people do not understand, learning these cold functions basically can not be used, or what is more useful, in fact, there is a lot of use, such as today to introduce the uuid module, to be able to generate a truly random number, but also to the database to generate a unique ID, a lot of places can be used, interested in small partners, you can follow the editor, a serious learning to understand! La.

Module Installation:

pip install uuid

Module Import:

import uuid

Usage Scenarios:

1, can generate time stamp

2. Random numbers can be generated

Usage:

import uuid
uuid.uuid3(uuid.NAMESPACE_DNS, '')
UUID('6fa459ea-ee8a-3ca4-894e-db77e160355e')

Instance Extension

#-*- encoding: gb2312 -*-
import uuid
print uuid.uuid1()
print uuid.uuid3(uuid.NAMESPACE_DNS, 'testme')
print uuid.uuid4()
print uuid.uuid5(uuid.NAMESPACE_DNS, 'testme')

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