Many ways to import Python modules

Source: Internet
Author: User

    • In Python, the module is a file with a suffix named ". Py", and Python organizes a module with files.
    • Module import follows the scope principle, in what scope the import can only take effect at the current scope.
    • A module is loaded only once, no matter how many times it is imported.
    • The From module import name is the name that is imported into the current namespace
Single-line import of individual modules
import json
Single-line import of multiple modules
os, sys, time
Import the specified module properties
fromimport path, fork, mkdir
Multi-line Import
FrameButtonCanvasTextLEFTDISABLEDNORMALRIDGE, END
Wildcard import (not recommended)
fromimport *
Rename the Import module's properties with "as"
importas Pathfromimportas
Relative import

A "." The symbol represents the current module directory, two "." The symbol represents the upper-level directory of the current module, and so on.

fromimport case, suitefromimport strclassfromimport name

Many ways to import Python modules

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