the python command upgrade

Author: zhenwei-li

Temp/bash/python_command.md

@@ -3,6 +3,9 @@
 - [一. pip](#一-pip)
   - [1.1. pip --editable](#11-pip---editable)
   - [1.2. pip list or freeze](#12-pip-list-or-freeze)
+  - [1.3. pip install](#13-pip-install)
+    - [1.3.1. pip install -r requirements.txt](#131-pip-install--r-requirementstxt)
+    - [1.3.2. pip install xxx](#132-pip-install-xxx)
 - [二. flake8](#二-flake8)
 
 ## 一. pip
@@ -29,6 +32,27 @@ pip2 freeze > ./Temp/txt/2021_pip2_freeze.txt
 pip3 freeze > ./Temp/txt/2021_pip3_freeze.txt
 ```
 
+### 1.3. pip install
+
+#### 1.3.1. pip install -r requirements.txt
+
+```bash
+# the base component requirements
+pip2 install -r ./requirements.txt
+pip3 install -r ./requirements.txt
+
+# the base chain component requirements
+pip2 install -r ./Temp/archives/material/requirements.txt
+pip3 install -r ./Temp/archives/material/requirements.txt
+```
+
+#### 1.3.2. pip install xxx
+
+```bash
+pip2 install xxx
+pip3 install xxx
+```
+
 ## 二. flake8
 
 ```bash