1. Definitions
Modules: essentially files ending in .py (logically organizing python code) The essence of a module is that it implements a function The filename is the name of the module
Package: a folder with __init__.py; used to store module files
2、Import Module
import module name
form module name import *
from module name import module name as new name
3. Introducing the essence of the module
import module name ==== " Assign all the data in the module to the module name, the call requires module name. method name ()
from module name import method name == "Put the method into the current file and run it again, when you call it, you only need the method name () to run it.
Importing a package means executing the __init__.py file under the package.
Path Search
import sys,os
(__file__) # get the full name of the current file
() # Get the parent directory of the current object
()# Add the path of the current object to the first place
() # Add the current environment variable to the end of the environment variables
Above this python environment variables and import module import method (detailed) is all I have shared with you, I hope to give you a reference, and I hope you support me more.