Many ways to import Python modules

• 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

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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