Python module installation, import

First, the installation of the module

1. In the case of a network:

Directly inside the cmd, enter pip install XXX, is to install a module

2. Without the network, under the circumstances, down the installation package:

. WHL suffix, pip install XXX.WHL

. tar.gz suffix, unzip, enter module folder, execute: Python setup.py install

3. Uninstall: Pip Uninstall xxx

Second, the order of the import module

1. First step to find this Python file in the current directory

2. The second step is to find this Python file in Python's environment variable

3. The essence of the import module is to put the code of this module, from beginning to end, to execute once

Python module installation, import