Modified app.py - Added extra APIs

app.py

@@ -5,3 +5,11 @@ app = FastAPI()
 @app.get("/")
 def greet_json():
     return {"Hello": "World!"}
+
+@app.get("/text")
+def greet_text():
+    return "Hello Akanksh B C!"
+
+@app.post("/sum")
+def sum_numbers(a: int, b: int):
+	return {"sum": a + b}