Update README

Author: hayat01sh1da

python/README.md

@@ -2,12 +2,31 @@
 
 - Python 3.14.4
 
-## 2. Execution
+## 2. Install Libraries via requirements.txt
+
+```command
+$ pip install -r requirements.txt
+```
+
+## 3. Execution
 
 ```command
-$ cd ./python
 $ python main.py 
 Provide your username(Default: hayat01sh1da): hayat01sh1da
 Provide your preferred unit d(daily - default), w(weekly) or m: d
 Provide the specific year you would like to create working report templates for(Default: the current year): 2024
 ```
+
+## 4. Unit Test
+
+```command
+$ pytest 
+============================= test session starts ==============================
+platform linux -- Python 3.14.4, pytest-9.0.3, pluggy-1.6.0
+rootdir: /mnt/c/Users/binlh/Documents/development/template-creators/python
+collected 8 items
+
+test/test_application.py ........                                        [100%]
+
+============================== 8 passed in 5.66s ===============================
+```