A brief introduction to Python reloading

In order to prevent the problem of two modules importing each other, Python defaults to importing all modules only once. If you need to re-import the module,

Python2.7 can use reload() directly, and Python3 can use the following One method:

Method 1: Basic method

from imp import reload

reload(module)

Method 2: Follow the routine, you can do this

import imp

imp.reload(module)

Method 3: Look at imp.py and find something, so you can still do this

import importlib

importlib.reload(module)

Method 4: According to the laws of heaven, of course it can also be done like this

from importlib import reload

reload(module)

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