Started on framework for library api. Can now look up book title by isbn. Also added test.py to experiment with the isbn lookup stuff.

main.py

@@ -1,8 +1,22 @@
 from fastapi import FastAPI
+from isbnlib import meta
 
 app = FastAPI()
 
 
 @app.get('/')
 async def root():
-    return {"message": "Hello World"}
+    return {"message": "Hello World"}
+
+@app.post('/checkin/{isbn}')
+async def checkin(isbn):
+    return{"Checked in": isbn}
+
+@app.get('/checkout/{isbn}')
+async  def checkout(isbn):
+    return{"Checked Out": isbn}
+
+@app.put('/lookup/{isbn}')
+async  def lookup(isbn):
+    info = meta(isbn, service='Default')
+    return{"Title": info['Title']}