json_calculator

app.py

@@ -0,0 +1,50 @@
+from fastapi import FastAPI
+from pydantic import BaseModel
+
+# Initialize the FastAPI application
+app = FastAPI(
+    title="JSON Calculator API",
+    description="A simple REST API to perform addition and multiplication on two numbers and return the result as a JSON object.",
+    version="1.0.0",
+)
+
+# Define the structure of the incoming request data using Pydantic
+# This ensures that any request to the API has these two float fields
+class CalculationInput(BaseModel):
+    number_1: float
+    number_2: float
+
+@app.get("/")
+def read_root():
+    """
+    A simple root endpoint to check if the API is running.
+    """
+    return {"status": "ok", "message": "Welcome to the JSON Calculator API. Send a POST request to /calculate."}
+
+@app.post("/calculate")
+def calculate_numbers(data: CalculationInput):
+    """
+    This endpoint receives two numbers, calculates their sum and product,
+    and returns the result in a structured JSON format.
+    """
+    num1 = data.number_1
+    num2 = data.number_2
+
+    # Perform the calculations
+    addition_result = num1 + num2
+    multiplication_result = num1 * num2
+
+    # Create the response dictionary
+    results_dict = {
+        "calculation_inputs": {
+            "number_1": num1,
+            "number_2": num2
+        },
+        "calculation_outputs": {
+            "addition": addition_result,
+            "multiplication": multiplication_result
+        }
+    }
+
+    # FastAPI automatically converts this dictionary to a JSON response
+    return results_dict