Update README.md

README.md

@@ -23,12 +23,18 @@ python app.py
 
 1. app.py: A flask application that exposes the following API endpoints: 
   - index at / : Retun a JSON data structure indicating the current balance. 
-  - deposit at /deposit : Take the deposit amount as a URL parameter and return the new balance after adding the amount. 
-  - withdraw at /withdraw : Take the withdrawal amount as a URL parameter and return the new balance after subtracting the amount. 
+  - deposit at /deposit : Take the deposit amount as a URL parameter and return the new balance after adding the amount, e.g.
+```
+http://localhost:5000/deposit?amount=50
+``` 
+  - withdraw at /withdraw : Take the withdrawal amount as a URL parameter and return the new balance after subtracting the amount, e.g.
+ ```
+http://localhost:5000/withdraw?amount=30
+``` 
 App relies on a global in-memory variable (`balance`) to store the balance of the account.
 
 2. requirements.txt: A text file including all the Python libraries and packages needed to run the app. 
 
 3. .gitignore: Refer to the gitignore article for more details. In short, this file makes it possible that local configuration or binary files are not pushed to the repository. 
 
-4. tests: It's a directory that includes several unit tests for the APIs. The tests utilize the PyTest library.
+4. tests: It's a directory that includes several unit tests for the APIs. The tests utilize the PyTest library.