First endpoint. Fix some images

Section_2_A_Full_Python_Refresher/Lec_42_Relative_imports_in_Python.md

@@ -43,6 +43,10 @@ code.py: __main__
 
 Notice on run that the imports are all reverse. The deepest file runs first.
 
+File Structure
+
+![30_file_org image](https://github.com/HarrisonWelch/REST-APIs-with-Flask-and-Python-in-2023-Notes/blob/master/Screenshots/30_file_org.png)
+
 ## Relative input
 
 Put a function in mymodule.py
@@ -72,4 +76,4 @@ If you are to use relative imports you need to the keep the same file at the top
 
 `import *` will import everything.
 
-Advice don't use relative import. Brain hurt.
+Advice - don't use relative import. Brain hurt.

Section_3_Your_first_REST_API/Lec_55_Your_first_REST_API_endpoint.md

@@ -0,0 +1,43 @@
+# Lec_55_Your_first_REST_API_endpoint.md
+
+Picking up from last lecture
+
+```py
+from flask import Flask
+
+app = Flask(__name__)  # Creates flask app that does a lot for us
+```
+
+Going to put the data in a python list, DB later.
+
+```py
+from flask import Flask
+
+app = Flask(__name__)  # Creates flask app that does a lot for us
+
+stores = [
+    {
+        "name": "My Store",
+        "items": [
+            {
+                "name": "Chair",
+                "price": 15.99
+            }
+        ]
+    }
+]
+
+@app.get("/store") # Endpoint. http://127.0.0.1:5000/store
+def get_stores():
+    return {"stores": stores}
+
+```
+
+Returns:
+
+![55_store_return image](https://github.com/HarrisonWelch/REST-APIs-with-Flask-and-Python-in-2023-Notes/blob/master/Screenshots/55_store_return.png)
+
+Spaces and tabs don't matter in JSON. Order does not matter in JSON. 
+
+We'll talk about what JSON is in the next lecture.
+

Section_3_Your_first_REST_API/app.py

@@ -1,3 +1,20 @@
 from flask import Flask
 
 app = Flask(__name__)  # Creates flask app that does a lot for us
+
+stores = [
+    {
+        "name": "My Store",
+        "items": [
+            {
+                "name": "Chair",
+                "price": 15.99
+            }
+        ]
+    }
+]
+
+
+@app.get("/store")  # Endpoint. http://127.0.0.1:5000/store
+def get_stores():
+    return {"stores": stores}